update value

Updating and removing outdated strings.

Updated string:

<img width="1565" height="323" alt="image"
src="https://github.com/user-attachments/assets/3dcad3b9-7ba9-4d87-ab36-405a8e1705db"
/>

.github/actions/spell-check/expect.txt

@@ -773,6 +773,7 @@ INITGUID
 INITTOLOGFONTSTRUCT
 INLINEPREFIX
 inlines
+Inno
 INPC
 inproc
 INPUTHARDWARE
@@ -1629,6 +1630,7 @@ SKIPOWNPROCESS
 sku
 SLGP
 sln
+slnx
 SMALLICON
 smartphone
 smileys
@@ -1847,6 +1849,7 @@ UNCPRIORITY
 UNDNAME
 UNICODETEXT
 unins
+Uninstaller
 uninstalls
 Uniquifies
 unitconverter

.pipelines/packages.config

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Microsoft.PowerToys.Telemetry" version="2.0.3" />
+  <package id="Microsoft.PowerToys.Telemetry" version="2.0.4" />
 </packages>

.pipelines/v2/templates/job-build-project.yml

@@ -192,14 +192,14 @@ jobs:
     displayName: Verify XAML formatting
 
   - pwsh: |-
-      & '.pipelines/verifyNugetPackages.ps1' -solution '$(build.sourcesdirectory)\PowerToys.sln'
-    displayName: Verify Nuget package versions for PowerToys.sln
+      & '.pipelines/verifyNugetPackages.ps1' -solution '$(build.sourcesdirectory)\PowerToys.slnx'
+    displayName: Verify Nuget package versions for PowerToys.slnx
 
   - pwsh: |-
-      & '.pipelines/verifyArm64Configuration.ps1' -solution '$(build.sourcesdirectory)\PowerToys.sln'
+      & '.pipelines/verifyArm64Configuration.ps1' -solution '$(build.sourcesdirectory)\PowerToys.slnx'
       & '.pipelines/verifyArm64Configuration.ps1' -solution '$(build.sourcesdirectory)\tools\BugReportTool\BugReportTool.sln'
       & '.pipelines/verifyArm64Configuration.ps1' -solution '$(build.sourcesdirectory)\tools\StylesReportTool\StylesReportTool.sln'
-      & '.pipelines/verifyArm64Configuration.ps1' -solution '$(build.sourcesdirectory)\installer\PowerToysSetup.sln'
+      & '.pipelines/verifyArm64Configuration.ps1' -solution '$(build.sourcesdirectory)\installer\PowerToysSetup.slnx'
     displayName: Verify ARM64 configurations
 
   - ${{ if eq(parameters.enablePackageCaching, true) }}:
@@ -252,7 +252,7 @@ jobs:
     ${{ else }}:
       displayName: Build PowerToys main project
     inputs:
-      solution: 'PowerToys.sln'
+      solution: 'PowerToys.slnx'
       vsVersion: 17.0
       msbuildArgs: >-
         -restore -graph
@@ -275,7 +275,7 @@ jobs:
     displayName: Generate DSC artifacts for ARM64
     condition: and(succeeded(), eq(variables['BuildPlatform'], 'arm64'))
     inputs:
-      solution: PowerToys.sln
+      solution: PowerToys.slnx
       vsVersion: 17.0
       msbuildArgs: >-
         -restore

.pipelines/v2/templates/job-build-ui-tests.yml

@@ -74,7 +74,7 @@ jobs:
       command: restore
       feedsToUse: config
       configPath: nuget.config
-      restoreSolution: PowerToys.sln
+      restoreSolution: PowerToys.slnx
       restoreDirectory: '$(Build.SourcesDirectory)\packages'
 
   # Build all UI test projects if no specific modules are specified
@@ -129,4 +129,4 @@ jobs:
   - publish: $(JobOutputDirectory)
     artifact: $(JobOutputArtifactName)
     displayName: Publish UI Test artifacts
-    condition: always()
+    condition: always()

.pipelines/v2/templates/steps-build-installer-vnext.yml

@@ -35,7 +35,7 @@ steps:
   - task: VSBuild@1
     displayName: Build Shared Support DLLs
     inputs:
-      solution: "**/installer/PowerToysSetup.sln"
+      solution: "**/installer/PowerToysSetup.slnx"
       vsVersion: 17.0
       msbuildArgs: >-
         /t:PowerToysSetupCustomActionsVNext;SilentFilesInUseBAFunction
@@ -74,7 +74,7 @@ steps:
   - task: VSBuild@1
     displayName: 💻 Build VNext MSI
     inputs:
-      solution: "**/installer/PowerToysSetup.sln"
+      solution: "**/installer/PowerToysSetup.slnx"
       vsVersion: 17.0
       msbuildArgs: >-
         -restore
@@ -91,7 +91,7 @@ steps:
   - task: VSBuild@1
     displayName: 👤 Build VNext MSI
     inputs:
-      solution: "**/installer/PowerToysSetup.sln"
+      solution: "**/installer/PowerToysSetup.slnx"
       vsVersion: 17.0
       msbuildArgs: >-
         /t:PowerToysInstallerVNext
@@ -142,7 +142,7 @@ steps:
   - task: VSBuild@1
     displayName: 💻 Build VNext Bootstrapper
     inputs:
-      solution: "**/installer/PowerToysSetup.sln"
+      solution: "**/installer/PowerToysSetup.slnx"
       vsVersion: 17.0
       msbuildArgs: >-
         -restore
@@ -159,7 +159,7 @@ steps:
   - task: VSBuild@1
     displayName: 👤 Build VNext Bootstrapper
     inputs:
-      solution: "**/installer/PowerToysSetup.sln"
+      solution: "**/installer/PowerToysSetup.slnx"
       vsVersion: 17.0
       msbuildArgs: >-
         /t:PowerToysBootstrapperVNext

.pipelines/v2/templates/steps-update-winappsdk-and-restore-nuget.yml

@@ -54,4 +54,13 @@ steps:
     feedsToUse: 'config'
     nugetConfigPath: '$(build.sourcesdirectory)\nuget.config'
     restoreSolution: '$(build.sourcesdirectory)\**\*.sln'
-    includeNuGetOrg: false
+    includeNuGetOrg: false
+
+- task: NuGetCommand@2
+  displayName: 'Restore NuGet packages (slnx)'
+  inputs:
+    command: 'restore'
+    feedsToUse: 'config'
+    nugetConfigPath: '$(build.sourcesdirectory)\nuget.config'
+    restoreSolution: '$(build.sourcesdirectory)\**\*.slnx'
+    includeNuGetOrg: false

doc/devdocs/core/installer.md

@@ -134,7 +134,7 @@ If you prefer, you can alternatively build prerequisite projects for the install
 
 #### Locally compiling the installer
 
-1. Open `installer\PowerToysSetup.sln`
+1. Open `installer\PowerToysSetup.slnx`
 1. In Visual Studio, in the `Solutions Configuration` drop-down menu select `Release`
 1. From the `Build` menu choose `Build Solution`.
 
@@ -144,9 +144,9 @@ To build the installer from the command line, run `Developer Command Prompt for
 
 ```
 git clean -xfd  -e *exe -- .\installer\
-MSBuild -t:restore  .\installer\PowerToysSetup.sln -p:RestorePackagesConfig=true /p:Platform="x64" /p:Configuration=Release
-MSBuild -t:Restore -m .\installer\PowerToysSetup.sln /t:PowerToysInstallerVNext /p:Configuration=Release /p:Platform="x64"
-MSBuild -t:Restore -m .\installer\PowerToysSetup.sln /t:PowerToysBootstrapperVNext /p:Configuration=Release /p:Platform="x64" 
+MSBuild -t:restore  .\installer\PowerToysSetup.slnx -p:RestorePackagesConfig=true /p:Platform="x64" /p:Configuration=Release
+MSBuild -t:Restore -m .\installer\PowerToysSetup.slnx /t:PowerToysInstallerVNext /p:Configuration=Release /p:Platform="x64"
+MSBuild -t:Restore -m .\installer\PowerToysSetup.slnx /t:PowerToysBootstrapperVNext /p:Configuration=Release /p:Platform="x64" 
 ```
 
 ### Supported arguments for the .EXE Bootstrapper installer

doc/devdocs/development/debugging.md

@@ -19,7 +19,7 @@ You can build the entire solution from the command line, which is sometimes fast
 2. Navigate to the repository root directory
 3. Run the following command(don't forget to set the correct platform):
    ```pwsh
-   msbuild -restore -p:RestorePackagesConfig=true -p:Platform=ARM64 -m PowerToys.sln /tl /p:NuGetInteractive="true"
+   msbuild -restore -p:RestorePackagesConfig=true -p:Platform=ARM64 -m PowerToys.slnx /tl /p:NuGetInteractive="true"
    ```
 4. This process should complete in approximately 13-14 minutes for a full build
 

doc/devdocs/development/dev-with-vscode.md

@@ -42,10 +42,10 @@ Or reach out to "tools\build\BUILD-GUIDELINES.md"
 ### Sample plain msbuild command
 ```powershell
 # Restore:
-msbuild powertoys.sln -t:restore -p:configuration=debug -p:platform=x64 -m
+msbuild powertoys.slnx -t:restore -p:configuration=debug -p:platform=x64 -m
 
-# Build powertoys sln
-msbuild powertoys.sln -p:configuration=debug -p:platform=x64 -m
+# Build powertoys slnx
+msbuild powertoys.slnx -p:configuration=debug -p:platform=x64 -m
 
 # dotnet project
 msbuild src\settings-ui\Settings.UI\PowerToys.Settings.csproj -p:Platform=x64 -p:Configuration=Debug -m
@@ -122,7 +122,7 @@ Similar for attach to managed code.
 
 | Task | Command / Action | Notes |
 |------|------------------|-------|
-| Clean | `git clean -xdf` (careful) or `msbuild /t:Clean PowerToys.sln` | Deep clean removes packages & build outputs |
+| Clean | `git clean -xdf` (careful) or `msbuild /t:Clean PowerToys.slnx` | Deep clean removes packages & build outputs |
 | Rebuild single project | `msbuild path\to\proj.vcxproj /t:Rebuild -p:Platform=x64 -p:Configuration=Debug` | Faster than whole solution |
 | Generate installer (rare in inner loop) | See `tools\build\build-installer.ps1` | Usually not needed for local debug |
-| Resource conversion errors | Re-run restore + build | Triggers custom PowerShell targets |
+| Resource conversion errors | Re-run restore + build | Triggers custom PowerShell targets |

doc/devdocs/development/ui-tests.md

@@ -12,7 +12,7 @@
 
 - Exit PowerToys if it's running.
 
-- Open `PowerToys.sln` in Visual Studio and build the solution.
+- Open `PowerToys.slnx` in Visual Studio and build the solution.
 
 - Run tests in the Test Explorer (`Test > Test Explorer` or `Ctrl+E, T`).
 

doc/devdocs/modules/alwaysontop.md

@@ -86,7 +86,7 @@ The module provides a user interface for configuring settings in the PowerToys S
 ### Building and Testing
 
 1. Clone the repository: `git clone https://github.com/microsoft/PowerToys.git`
-2. Open PowerToys.sln in Visual Studio
+2. Open PowerToys.slnx in Visual Studio
 3. Select the Release configuration and build the solution
 4. Run PowerToys.exe from the output directory to test the module
 

doc/devdocs/modules/fancyzones.md

@@ -161,7 +161,7 @@ FancyZones is divided into several projects:
    ```
    git clone https://github.com/microsoft/PowerToys.git
    ```
-2. Open `PowerToys.sln` in Visual Studio
+2. Open `PowerToys.slnx` in Visual Studio
 3. Select the Release configuration and build the solution
 4. If you encounter build errors, try deleting the x64 output folder and rebuild
 
@@ -244,7 +244,7 @@ UI tests are implemented using [Windows Application Driver](https://github.com/m
   
   - Exit PowerToys if it's running
   - Run WinAppDriver.exe from the installation directory. Skip this step if installed in the default directory (`C:\Program Files (x86)\Windows Application Driver`); in this case, it'll be launched automatically during tests.
-  - Open `PowerToys.sln` in Visual Studio and build the solution.
+  - Open `PowerToys.slnx` in Visual Studio and build the solution.
   - Run tests in the Test Explorer (`Test > Test Explorer` or `Ctrl+E, T`). 
 
 >Note: notifications or other application windows, that are shown above the window under test, can disrupt the testing process.

doc/devdocs/modules/keyboardmanager/debug.md

@@ -11,7 +11,7 @@ Keyboard Manager consists of two main components:
 ## Development Environment Setup
 
 1. Clone the PowerToys repository
-2. Open `PowerToys.sln` in Visual Studio
+2. Open `PowerToys.slnx` in Visual Studio
 3. Ensure all NuGet packages are restored
 4. Build the entire solution in Debug configuration
 
@@ -91,4 +91,4 @@ If you encounter issues with multiple instances, check the mutex logic in `Keybo
 
 To debug both the Editor and Engine:
 1. Launch the Engine first in debug mode
-2. Attach the debugger to the Editor process when it starts
+2. Attach the debugger to the Editor process when it starts

doc/devdocs/modules/lightswitch.md

@@ -92,7 +92,7 @@ The module’s settings are exposed in the PowerToys Settings UI. Options includ
 3. Build the solution:
 
    ```sh
-   msbuild -restore -p:RestorePackagesConfig=true -p:Platform=ARM64 -m PowerToys.sln
+   msbuild -restore -p:RestorePackagesConfig=true -p:Platform=ARM64 -m PowerToys.slnx
    ```
 
    > Note: This may take some time.

doc/devdocs/modules/screenruler.md

@@ -53,7 +53,7 @@ The Screen Ruler module consists of several components:
 
 ### Building
 
-1. Open PowerToys.sln in Visual Studio
+1. Open PowerToys.slnx in Visual Studio
 2. In the Solutions Configuration drop-down menu, select Release or Debug
 3. From the Build menu, choose Build Solution
 4. The executable app for Screen Ruler is named PowerToys.MeasureToolUI.exe

doc/devdocs/modules/shortcut_guide.md

@@ -19,7 +19,7 @@ Shortcut Guide is a PowerToy that displays an overlay of available keyboard shor
 ## Build and Debug Instructions
 
 ### Build
-1. Open PowerToys.sln in Visual Studio
+1. Open PowerToys.slnx in Visual Studio
 2. Select Release or Debug in the Solutions Configuration drop-down menu
 3. From the Build menu, choose Build Solution
 4. The executable is named PowerToys.ShortcutGuide.exe

doc/devdocs/readme.md

@@ -80,7 +80,7 @@ Once you've discussed your proposed feature/fix/etc. with a team member, and an
 
 ### Install Visual Studio dependencies
 
-1. Open the `PowerToys.sln` file.
+1. Open the `PowerToys.slnx` file.
 1. If you see a dialog that says `install extra components` in the solution explorer pane, click `install`
 
 ### Get Submodules to compile
@@ -93,7 +93,7 @@ We have submodules that need to be initialized before you can compile most parts
 
 ### Compiling Source Code
 
-- Open `PowerToys.sln` in Visual Studio.
+- Open `PowerToys.slnx` in Visual Studio.
 - In the `Solutions Configuration` drop-down menu select `Release` or `Debug`.
 - From the `Build` menu choose `Build Solution`, or press <kbd>Control</kbd>+<kbd>Shift</kbd>+<kbd>b</kbd> on your keyboard.
 - The build process may take several minutes depending on your computer's performance. Once it completes, the PowerToys binaries will be in your repo under `x64\Release\`.
@@ -107,10 +107,10 @@ Our installer is two parts, an EXE and an MSI.  The EXE (Bootstrapper) contains
 
 The installer can only be compiled in `Release` mode; steps 1 and 2 must be performed before the MSI can be compiled.
 
-1. Compile `PowerToys.sln`. Instructions are listed above.
+1. Compile `PowerToys.slnx`. Instructions are listed above.
 1. Compile `BugReportTool.sln` tool. Path from root: `tools\BugReportTool\BugReportTool.sln` (details listed below)
 1. Compile `StylesReportTool.sln` tool. Path from root: `tools\StylesReportTool\StylesReportTool.sln` (details listed below)
-1. Compile `PowerToysSetup.sln` Path from root: `installer\PowerToysSetup.sln` (details listed below)
+1. Compile `PowerToysSetup.slnx` Path from root: `installer\PowerToysSetup.slnx` (details listed below)
 
 See [Installer](core/installer.md) for more details on building and debugging the installer.
 

installer/PowerToysSetup.sln

@@ -1,96 +0,0 @@
-Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 17
-VisualStudioVersion = 17.1.32414.318
-MinimumVisualStudioVersion = 10.0.40219.1
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "spdlog", "..\src\logging\logging.vcxproj", "{7E1E3F13-2BD6-3F75-A6A7-873A2B55C60F}"
-EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "logger", "..\src\common\logger\logger.vcxproj", "{D9B8FC84-322A-4F9F-BBB9-20915C47DDFD}"
-EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Version", "..\src\common\version\version.vcxproj", "{CC6E41AC-8174-4E8A-8D22-85DD7F4851DF}"
-EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "EtwTrace", "..\src\common\Telemetry\EtwTrace\EtwTrace.vcxproj", "{8F021B46-362B-485C-BFBA-CCF83E820CBD}"
-EndProject
-Project("{930C7802-8A8C-48F9-8165-68863BCCD9DD}") = "PowerToysInstallerVNext", "PowerToysSetupVNext\PowerToysInstallerVNext.wixproj", "{B6E94700-DF38-41F6-A3FD-18B69674AB1E}"
-EndProject
-Project("{930C7802-8A8C-48F9-8165-68863BCCD9DD}") = "PowerToysBootstrapperVNext", "PowerToysSetupVNext\PowerToysBootstrapperVNext.wixproj", "{DA4E9744-80BE-424C-B0F5-AFD8757DB575}"
-EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "PowerToysSetupCustomActionsVNext", "PowerToysSetupCustomActionsVNext\PowerToysSetupCustomActionsVNext.vcxproj", "{B3A354B0-1E54-4B55-A962-FB5AF9330C19}"
-EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "SilentFilesInUseBAFunction", "PowerToysSetupVNext\SilentFilesInUseBA\SilentFilesInUseBAFunction.vcxproj", "{F8B9F842-F5C3-4A2D-8C85-7F8B9E2B4F1D}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|ARM64 = Debug|ARM64
-		Debug|x64 = Debug|x64
-		Release|ARM64 = Release|ARM64
-		Release|x64 = Release|x64
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{7E1E3F13-2BD6-3F75-A6A7-873A2B55C60F}.Debug|ARM64.ActiveCfg = Debug|ARM64
-		{7E1E3F13-2BD6-3F75-A6A7-873A2B55C60F}.Debug|x64.ActiveCfg = Debug|x64
-		{7E1E3F13-2BD6-3F75-A6A7-873A2B55C60F}.Debug|x64.Build.0 = Debug|x64
-		{7E1E3F13-2BD6-3F75-A6A7-873A2B55C60F}.Release|ARM64.ActiveCfg = Release|ARM64
-		{7E1E3F13-2BD6-3F75-A6A7-873A2B55C60F}.Release|ARM64.Build.0 = Release|ARM64
-		{7E1E3F13-2BD6-3F75-A6A7-873A2B55C60F}.Release|x64.ActiveCfg = Release|x64
-		{7E1E3F13-2BD6-3F75-A6A7-873A2B55C60F}.Release|x64.Build.0 = Release|x64
-		{D9B8FC84-322A-4F9F-BBB9-20915C47DDFD}.Debug|ARM64.ActiveCfg = Debug|ARM64
-		{D9B8FC84-322A-4F9F-BBB9-20915C47DDFD}.Debug|x64.ActiveCfg = Debug|x64
-		{D9B8FC84-322A-4F9F-BBB9-20915C47DDFD}.Debug|x64.Build.0 = Debug|x64
-		{D9B8FC84-322A-4F9F-BBB9-20915C47DDFD}.Release|ARM64.ActiveCfg = Release|ARM64
-		{D9B8FC84-322A-4F9F-BBB9-20915C47DDFD}.Release|ARM64.Build.0 = Release|ARM64
-		{D9B8FC84-322A-4F9F-BBB9-20915C47DDFD}.Release|x64.ActiveCfg = Release|x64
-		{D9B8FC84-322A-4F9F-BBB9-20915C47DDFD}.Release|x64.Build.0 = Release|x64
-		{CC6E41AC-8174-4E8A-8D22-85DD7F4851DF}.Debug|ARM64.ActiveCfg = Debug|ARM64
-		{CC6E41AC-8174-4E8A-8D22-85DD7F4851DF}.Debug|ARM64.Build.0 = Debug|ARM64
-		{CC6E41AC-8174-4E8A-8D22-85DD7F4851DF}.Debug|x64.ActiveCfg = Debug|x64
-		{CC6E41AC-8174-4E8A-8D22-85DD7F4851DF}.Debug|x64.Build.0 = Debug|x64
-		{CC6E41AC-8174-4E8A-8D22-85DD7F4851DF}.Release|ARM64.ActiveCfg = Release|ARM64
-		{CC6E41AC-8174-4E8A-8D22-85DD7F4851DF}.Release|ARM64.Build.0 = Release|ARM64
-		{CC6E41AC-8174-4E8A-8D22-85DD7F4851DF}.Release|x64.ActiveCfg = Release|x64
-		{CC6E41AC-8174-4E8A-8D22-85DD7F4851DF}.Release|x64.Build.0 = Release|x64
-		{8F021B46-362B-485C-BFBA-CCF83E820CBD}.Debug|ARM64.ActiveCfg = Debug|ARM64
-		{8F021B46-362B-485C-BFBA-CCF83E820CBD}.Debug|ARM64.Build.0 = Debug|ARM64
-		{8F021B46-362B-485C-BFBA-CCF83E820CBD}.Debug|x64.ActiveCfg = Debug|x64
-		{8F021B46-362B-485C-BFBA-CCF83E820CBD}.Debug|x64.Build.0 = Debug|x64
-		{8F021B46-362B-485C-BFBA-CCF83E820CBD}.Release|ARM64.ActiveCfg = Release|ARM64
-		{8F021B46-362B-485C-BFBA-CCF83E820CBD}.Release|ARM64.Build.0 = Release|ARM64
-		{8F021B46-362B-485C-BFBA-CCF83E820CBD}.Release|x64.ActiveCfg = Release|x64
-		{8F021B46-362B-485C-BFBA-CCF83E820CBD}.Release|x64.Build.0 = Release|x64
-		{B6E94700-DF38-41F6-A3FD-18B69674AB1E}.Debug|ARM64.ActiveCfg = Debug|ARM64
-		{B6E94700-DF38-41F6-A3FD-18B69674AB1E}.Debug|ARM64.Build.0 = Debug|ARM64
-		{B6E94700-DF38-41F6-A3FD-18B69674AB1E}.Debug|x64.ActiveCfg = Debug|x64
-		{B6E94700-DF38-41F6-A3FD-18B69674AB1E}.Debug|x64.Build.0 = Debug|x64
-		{B6E94700-DF38-41F6-A3FD-18B69674AB1E}.Release|ARM64.ActiveCfg = Release|ARM64
-		{B6E94700-DF38-41F6-A3FD-18B69674AB1E}.Release|ARM64.Build.0 = Release|ARM64
-		{B6E94700-DF38-41F6-A3FD-18B69674AB1E}.Release|x64.ActiveCfg = Release|x64
-		{B6E94700-DF38-41F6-A3FD-18B69674AB1E}.Release|x64.Build.0 = Release|x64
-		{DA4E9744-80BE-424C-B0F5-AFD8757DB575}.Debug|ARM64.ActiveCfg = Debug|ARM64
-		{DA4E9744-80BE-424C-B0F5-AFD8757DB575}.Debug|ARM64.Build.0 = Debug|ARM64
-		{DA4E9744-80BE-424C-B0F5-AFD8757DB575}.Debug|x64.ActiveCfg = Debug|x64
-		{DA4E9744-80BE-424C-B0F5-AFD8757DB575}.Debug|x64.Build.0 = Debug|x64
-		{DA4E9744-80BE-424C-B0F5-AFD8757DB575}.Release|ARM64.ActiveCfg = Release|ARM64
-		{DA4E9744-80BE-424C-B0F5-AFD8757DB575}.Release|ARM64.Build.0 = Release|ARM64
-		{DA4E9744-80BE-424C-B0F5-AFD8757DB575}.Release|x64.ActiveCfg = Release|x64
-		{DA4E9744-80BE-424C-B0F5-AFD8757DB575}.Release|x64.Build.0 = Release|x64
-		{B3A354B0-1E54-4B55-A962-FB5AF9330C19}.Debug|ARM64.ActiveCfg = Debug|ARM64
-		{B3A354B0-1E54-4B55-A962-FB5AF9330C19}.Debug|x64.ActiveCfg = Debug|x64
-		{B3A354B0-1E54-4B55-A962-FB5AF9330C19}.Debug|x64.Build.0 = Debug|x64
-		{B3A354B0-1E54-4B55-A962-FB5AF9330C19}.Release|ARM64.ActiveCfg = Release|ARM64
-		{B3A354B0-1E54-4B55-A962-FB5AF9330C19}.Release|ARM64.Build.0 = Release|ARM64
-		{B3A354B0-1E54-4B55-A962-FB5AF9330C19}.Release|x64.ActiveCfg = Release|x64
-		{B3A354B0-1E54-4B55-A962-FB5AF9330C19}.Release|x64.Build.0 = Release|x64
-		{F8B9F842-F5C3-4A2D-8C85-7F8B9E2B4F1D}.Debug|ARM64.ActiveCfg = Debug|ARM64
-		{F8B9F842-F5C3-4A2D-8C85-7F8B9E2B4F1D}.Debug|x64.ActiveCfg = Debug|x64
-		{F8B9F842-F5C3-4A2D-8C85-7F8B9E2B4F1D}.Debug|x64.Build.0 = Debug|x64
-		{F8B9F842-F5C3-4A2D-8C85-7F8B9E2B4F1D}.Release|ARM64.ActiveCfg = Release|ARM64
-		{F8B9F842-F5C3-4A2D-8C85-7F8B9E2B4F1D}.Release|ARM64.Build.0 = Release|ARM64
-		{F8B9F842-F5C3-4A2D-8C85-7F8B9E2B4F1D}.Release|x64.ActiveCfg = Release|x64
-		{F8B9F842-F5C3-4A2D-8C85-7F8B9E2B4F1D}.Release|x64.Build.0 = Release|x64
-	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
-	GlobalSection(ExtensibilityGlobals) = postSolution
-		SolutionGuid = {B7A3DA30-D443-40FF-AC51-988AD41E3962}
-	EndGlobalSection
-EndGlobal

installer/PowerToysSetup.slnx

@@ -0,0 +1,22 @@
+<Solution>
+  <Configurations>
+    <Platform Name="ARM64" />
+    <Platform Name="x64" />
+  </Configurations>
+  <Project Path="../src/common/logger/logger.vcxproj" Id="d9b8fc84-322a-4f9f-bbb9-20915c47ddfd">
+    <Build Solution="Debug|ARM64" Project="false" />
+  </Project>
+  <Project Path="../src/common/Telemetry/EtwTrace/EtwTrace.vcxproj" Id="8f021b46-362b-485c-bfba-ccf83e820cbd" />
+  <Project Path="../src/common/version/version.vcxproj" Id="cc6e41ac-8174-4e8a-8d22-85dd7f4851df" />
+  <Project Path="../src/logging/logging.vcxproj" Id="7e1e3f13-2bd6-3f75-a6a7-873a2b55c60f">
+    <Build Solution="Debug|ARM64" Project="false" />
+  </Project>
+  <Project Path="PowerToysSetupCustomActionsVNext/PowerToysSetupCustomActionsVNext.vcxproj" Id="b3a354b0-1e54-4b55-a962-fb5af9330c19">
+    <Build Solution="Debug|ARM64" Project="false" />
+  </Project>
+  <Project Path="PowerToysSetupVNext/PowerToysBootstrapperVNext.wixproj" Type="b7dd6f7e-def8-4e67-b5b7-07ef123db6f0" />
+  <Project Path="PowerToysSetupVNext/PowerToysInstallerVNext.wixproj" Type="b7dd6f7e-def8-4e67-b5b7-07ef123db6f0" />
+  <Project Path="PowerToysSetupVNext/SilentFilesInUseBA/SilentFilesInUseBAFunction.vcxproj" Id="f8b9f842-f5c3-4a2d-8c85-7f8b9e2b4f1d">
+    <Build Solution="Debug|ARM64" Project="false" />
+  </Project>
+</Solution>

src/common/utils/registry.h

@@ -16,9 +16,54 @@
 
 namespace registry
 {
+    namespace detail
+    {
+        struct on_exit
+        {
+            std::function<void()> f;
+
+            on_exit(std::function<void()> f) :
+                f{ std::move(f) } {}
+            ~on_exit() { f(); }
+        };
+
+        template<class... Ts>
+        struct overloaded : Ts...
+        {
+            using Ts::operator()...;
+        };
+
+        template<class... Ts>
+        overloaded(Ts...) -> overloaded<Ts...>;
+
+        inline const wchar_t* getScopeName(HKEY scope)
+        {
+            if (scope == HKEY_LOCAL_MACHINE)
+            {
+                return L"HKLM";
+            }
+            else if (scope == HKEY_CURRENT_USER)
+            {
+                return L"HKCU";
+            }
+            else if (scope == HKEY_CLASSES_ROOT)
+            {
+                return L"HKCR";
+            }
+            else
+            {
+                return L"HK??";
+            }
+        }
+    }
+
     namespace install_scope
     {
         const wchar_t INSTALL_SCOPE_REG_KEY[] = L"Software\\Classes\\powertoys\\";
+        const wchar_t UNINSTALL_REG_KEY[] = L"Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall";
+        
+        // Bundle UpgradeCode from PowerToys.wxs (with braces as stored in registry)
+        const wchar_t BUNDLE_UPGRADE_CODE[] = L"{6341382D-C0A9-4238-9188-BE9607E3FAB2}";
 
         enum class InstallScope
         {
@@ -26,8 +71,67 @@ namespace registry
             PerUser,
         };
 
+        // Helper function to find PowerToys bundle in Windows Uninstall registry by BundleUpgradeCode
+        inline bool find_powertoys_bundle_in_uninstall_registry(HKEY rootKey)
+        {
+            HKEY uninstallKey{};
+            if (RegOpenKeyExW(rootKey, UNINSTALL_REG_KEY, 0, KEY_READ, &uninstallKey) != ERROR_SUCCESS)
+            {
+                return false;
+            }
+            detail::on_exit closeUninstallKey{ [uninstallKey] { RegCloseKey(uninstallKey); } };
+
+            DWORD index = 0;
+            wchar_t subKeyName[256];
+
+            // Enumerate all subkeys under Uninstall
+            while (RegEnumKeyW(uninstallKey, index++, subKeyName, 256) == ERROR_SUCCESS)
+            {
+                HKEY productKey{};
+                if (RegOpenKeyExW(uninstallKey, subKeyName, 0, KEY_READ, &productKey) != ERROR_SUCCESS)
+                {
+                    continue;
+                }
+                detail::on_exit closeProductKey{ [productKey] { RegCloseKey(productKey); } };
+
+                // Check BundleUpgradeCode value (specific to WiX Bundle installations)
+                wchar_t bundleUpgradeCode[256]{};
+                DWORD bundleUpgradeCodeSize = sizeof(bundleUpgradeCode);
+
+                if (RegQueryValueExW(productKey, L"BundleUpgradeCode", nullptr, nullptr,
+                                    reinterpret_cast<LPBYTE>(bundleUpgradeCode), &bundleUpgradeCodeSize) == ERROR_SUCCESS)
+                {
+                    if (_wcsicmp(bundleUpgradeCode, BUNDLE_UPGRADE_CODE) == 0)
+                    {
+                        return true;
+                    }
+                }
+            }
+
+            return false;
+        }
+
         inline const InstallScope get_current_install_scope()
         {
+            // 1. Check HKCU Uninstall registry first (user-level bundle)
+            // Note: MSI components are always in HKLM regardless of install scope,
+            // but the Bundle entry will be in HKCU for per-user installations
+            if (find_powertoys_bundle_in_uninstall_registry(HKEY_CURRENT_USER))
+            {
+                Logger::info(L"Found user-level PowerToys bundle via BundleUpgradeCode in HKCU");
+                return InstallScope::PerUser;
+            }
+
+            // 2. Check HKLM Uninstall registry (machine-level bundle)
+            if (find_powertoys_bundle_in_uninstall_registry(HKEY_LOCAL_MACHINE))
+            {
+                Logger::info(L"Found machine-level PowerToys bundle via BundleUpgradeCode in HKLM");
+                return InstallScope::PerMachine;
+            }
+
+            // 3. Fallback to legacy custom registry key detection
+            Logger::info(L"PowerToys bundle not found in Uninstall registry, falling back to legacy detection");
+
             // Open HKLM key
             HKEY perMachineKey{};
             if (RegOpenKeyExW(HKEY_LOCAL_MACHINE,
@@ -45,6 +149,7 @@ namespace registry
                                   &perUserKey) != ERROR_SUCCESS)
                 {
                     // both keys are missing
+                    Logger::warn(L"No PowerToys installation detected, defaulting to PerMachine");
                     return InstallScope::PerMachine;
                 }
                 else
@@ -96,47 +201,6 @@ namespace registry
     template<class>
     inline constexpr bool always_false_v = false;
 
-    namespace detail
-    {
-        struct on_exit
-        {
-            std::function<void()> f;
-
-            on_exit(std::function<void()> f) :
-                f{ std::move(f) } {}
-            ~on_exit() { f(); }
-        };
-
-        template<class... Ts>
-        struct overloaded : Ts...
-        {
-            using Ts::operator()...;
-        };
-
-        template<class... Ts>
-        overloaded(Ts...) -> overloaded<Ts...>;
-
-        inline const wchar_t* getScopeName(HKEY scope)
-        {
-            if (scope == HKEY_LOCAL_MACHINE)
-            {
-                return L"HKLM";
-            }
-            else if (scope == HKEY_CURRENT_USER)
-            {
-                return L"HKCU";
-            }
-            else if (scope == HKEY_CLASSES_ROOT)
-            {
-                return L"HKCR";
-            }
-            else
-            {
-                return L"HK??";
-            }
-        }
-    }
-
     struct ValueChange
     {
         using value_t = std::variant<DWORD, std::wstring>;

src/modules/MouseWithoutBorders/App/Class/Common.Encryption.cs

@@ -1,248 +0,0 @@
-// Copyright (c) Microsoft Corporation
-// The Microsoft Corporation licenses this file to you under the MIT license.
-// See the LICENSE file in the project root for more information.
-
-// <summary>
-//     Encrypt/decrypt implementation.
-// </summary>
-// <history>
-//     2008 created by Truong Do (ductdo).
-//     2009-... modified by Truong Do (TruongDo).
-//     2023- Included in PowerToys.
-// </history>
-using System;
-using System.Collections.Concurrent;
-using System.Globalization;
-using System.IO;
-using System.Linq;
-using System.Security.Cryptography;
-using System.Threading.Tasks;
-
-using MouseWithoutBorders.Core;
-
-namespace MouseWithoutBorders
-{
-    internal partial class Common
-    {
-#pragma warning disable SYSLIB0021
-        private static AesCryptoServiceProvider symAl;
-#pragma warning restore SYSLIB0021
-#pragma warning disable SA1307 // Accessible fields should begin with upper-case letter
-        internal static string myKey;
-#pragma warning restore SA1307
-        private static uint magicNumber;
-        private static Random ran = new(); // Used for non encryption related functionality.
-        internal const int SymAlBlockSize = 16;
-
-        /// <summary>
-        /// This is used for the first encryption block, the following blocks will be combined with the cipher text of the previous block.
-        /// Thus identical blocks in the socket stream would be encrypted to different cipher text blocks.
-        /// The first block is a handshake one containing random data.
-        /// Related Unit Test: TestEncryptDecrypt
-        /// </summary>
-        internal static readonly string InitialIV = ulong.MaxValue.ToString(CultureInfo.InvariantCulture);
-
-        internal static Random Ran
-        {
-            get => Common.ran ??= new Random();
-            set => Common.ran = value;
-        }
-
-        internal static uint MagicNumber
-        {
-            get => Common.magicNumber;
-            set => Common.magicNumber = value;
-        }
-
-        internal static string MyKey
-        {
-            get => Common.myKey;
-
-            set
-            {
-                if (Common.myKey != value)
-                {
-                    Common.myKey = value;
-                    _ = Task.Factory.StartNew(
-                        () => Common.GenLegalKey(),
-                        System.Threading.CancellationToken.None,
-                        TaskCreationOptions.None,
-                        TaskScheduler.Default); // Cache the key to improve UX.
-                }
-            }
-        }
-
-        internal static string KeyDisplayedText(string key)
-        {
-            string displayedValue = string.Empty;
-            int i = 0;
-
-            do
-            {
-                int length = Math.Min(4, key.Length - i);
-                displayedValue += string.Concat(key.AsSpan(i, length), "  ");
-                i += 4;
-            }
-            while (i < key.Length - 1);
-
-            return displayedValue.Trim();
-        }
-
-        internal static bool GeneratedKey { get; set; }
-
-        internal static bool KeyCorrupted { get; set; }
-
-        internal static void InitEncryption()
-        {
-            try
-            {
-                if (symAl == null)
-                {
-#pragma warning disable SYSLIB0021 // No proper replacement for now
-                    symAl = new AesCryptoServiceProvider();
-#pragma warning restore SYSLIB0021
-                    symAl.KeySize = 256;
-                    symAl.BlockSize = SymAlBlockSize * 8;
-                    symAl.Padding = PaddingMode.Zeros;
-                    symAl.Mode = CipherMode.CBC;
-                    symAl.GenerateIV();
-                }
-            }
-            catch (Exception e)
-            {
-                Logger.Log(e);
-            }
-        }
-
-        private static readonly ConcurrentDictionary<string, byte[]> LegalKeyDictionary = new(StringComparer.OrdinalIgnoreCase);
-
-        internal static byte[] GenLegalKey()
-        {
-            byte[] rv;
-            string myKey = Common.MyKey;
-
-            if (!LegalKeyDictionary.TryGetValue(myKey, out byte[] value))
-            {
-                Rfc2898DeriveBytes key = new(
-                    myKey,
-                    Common.GetBytesU(InitialIV),
-                    50000,
-                    HashAlgorithmName.SHA512);
-                rv = key.GetBytes(32);
-                _ = LegalKeyDictionary.AddOrUpdate(myKey, rv, (k, v) => rv);
-            }
-            else
-            {
-                rv = value;
-            }
-
-            return rv;
-        }
-
-        private static byte[] GenLegalIV()
-        {
-            string st = InitialIV;
-            int ivLength = symAl.IV.Length;
-            if (st.Length > ivLength)
-            {
-                st = st[..ivLength];
-            }
-            else if (st.Length < ivLength)
-            {
-                st = st.PadRight(ivLength, ' ');
-            }
-
-            return GetBytes(st);
-        }
-
-        internal static Stream GetEncryptedStream(Stream encryptedStream)
-        {
-            ICryptoTransform encryptor;
-            encryptor = symAl.CreateEncryptor(GenLegalKey(), GenLegalIV());
-            return new CryptoStream(encryptedStream, encryptor, CryptoStreamMode.Write);
-        }
-
-        internal static Stream GetDecryptedStream(Stream encryptedStream)
-        {
-            ICryptoTransform decryptor;
-            decryptor = symAl.CreateDecryptor(GenLegalKey(), GenLegalIV());
-            return new CryptoStream(encryptedStream, decryptor, CryptoStreamMode.Read);
-        }
-
-        internal static uint Get24BitHash(string st)
-        {
-            if (string.IsNullOrEmpty(st))
-            {
-                return 0;
-            }
-
-            byte[] bytes = new byte[PACKAGE_SIZE];
-            for (int i = 0; i < PACKAGE_SIZE; i++)
-            {
-                if (i < st.Length)
-                {
-                    bytes[i] = (byte)st[i];
-                }
-            }
-
-            var hash = SHA512.Create();
-            byte[] hashValue = hash.ComputeHash(bytes);
-
-            for (int i = 0; i < 50000; i++)
-            {
-                hashValue = hash.ComputeHash(hashValue);
-            }
-
-            Logger.LogDebug(string.Format(CultureInfo.CurrentCulture, "magic: {0},{1},{2}", hashValue[0], hashValue[1], hashValue[^1]));
-            hash.Clear();
-            return (uint)((hashValue[0] << 23) + (hashValue[1] << 16) + (hashValue[^1] << 8) + hashValue[2]);
-        }
-
-        internal static string GetDebugInfo(string st)
-        {
-            return string.IsNullOrEmpty(st) ? st : ((byte)(Common.GetBytesU(st).Sum(value => value) % 256)).ToString(CultureInfo.InvariantCulture);
-        }
-
-        internal static string CreateDefaultKey()
-        {
-            return CreateRandomKey();
-        }
-
-        private const int PW_LENGTH = 16;
-
-        public static string CreateRandomKey()
-        {
-            // Not including characters like "'`O0& since they are confusing to users.
-            string[] chars = new[] { "abcdefghjkmnpqrstuvxyz", "ABCDEFGHJKMNPQRSTUVXYZ", "123456789", "~!@#$%^*()_-+=:;<,>.?/\\|[]" };
-            char[][] charactersUsedForKey = chars.Select(charset => Enumerable.Range(0, charset.Length - 1).Select(i => charset[i]).ToArray()).ToArray();
-            byte[] randomData = new byte[1];
-            string key = string.Empty;
-
-            do
-            {
-                foreach (string set in chars)
-                {
-                    randomData = RandomNumberGenerator.GetBytes(1);
-                    key += set[randomData[0] % set.Length];
-
-                    if (key.Length >= PW_LENGTH)
-                    {
-                        break;
-                    }
-                }
-            }
-            while (key.Length < PW_LENGTH);
-
-            return key;
-        }
-
-        internal static bool IsKeyValid(string key, out string error)
-        {
-            error = string.IsNullOrEmpty(key) || key.Length < 16
-                ? "Key must have at least 16 characters in length (spaces are discarded). Key must be auto generated in one of the machines."
-                : null;
-
-            return error == null;
-        }
-    }
-}

src/modules/MouseWithoutBorders/App/Class/Common.Package.cs

@@ -1,262 +0,0 @@
-// Copyright (c) Microsoft Corporation
-// The Microsoft Corporation licenses this file to you under the MIT license.
-// See the LICENSE file in the project root for more information.
-
-// <summary>
-//     Package format/conversion.
-// </summary>
-// <history>
-//     2008 created by Truong Do (ductdo).
-//     2009-... modified by Truong Do (TruongDo).
-//     2023- Included in PowerToys.
-// </history>
-using System;
-using System.Diagnostics;
-using System.Diagnostics.CodeAnalysis;
-using System.Runtime.InteropServices;
-
-// In X64, we are WOW
-[module: SuppressMessage("Microsoft.Portability", "CA1900:ValueTypeFieldsShouldBePortable", Scope = "type", Target = "MouseWithoutBorders.DATA", Justification = "Dotnet port with style preservation")]
-
-namespace MouseWithoutBorders
-{
-    internal enum PackageType// : int
-    {
-        // Search for PACKAGE_TYPE_RELATED before changing these!
-        Invalid = 0xFF,
-
-        Error = 0xFE,
-
-        Hi = 2,
-        Hello = 3,
-        ByeBye = 4,
-
-        Heartbeat = 20,
-        Awake = 21,
-        HideMouse = 50,
-        Heartbeat_ex = 51,
-        Heartbeat_ex_l2 = 52,
-        Heartbeat_ex_l3 = 53,
-
-        Clipboard = 69,
-        ClipboardDragDrop = 70,
-        ClipboardDragDropEnd = 71,
-        ExplorerDragDrop = 72,
-        ClipboardCapture = 73,
-        CaptureScreenCommand = 74,
-        ClipboardDragDropOperation = 75,
-        ClipboardDataEnd = 76,
-        MachineSwitched = 77,
-        ClipboardAsk = 78,
-        ClipboardPush = 79,
-
-        NextMachine = 121,
-        Keyboard = 122,
-        Mouse = 123,
-        ClipboardText = 124,
-        ClipboardImage = 125,
-
-        Handshake = 126,
-        HandshakeAck = 127,
-
-        Matrix = 128,
-        MatrixSwapFlag = 2,
-        MatrixTwoRowFlag = 4,
-    }
-
-    internal struct PackageMonitor
-    {
-        internal ulong Keyboard;
-        internal ulong Mouse;
-        internal ulong Heartbeat;
-        internal ulong ByeBye;
-        internal ulong Hello;
-        internal ulong Matrix;
-        internal ulong ClipboardText;
-        internal ulong ClipboardImage;
-        internal ulong Clipboard;
-        internal ulong ClipboardDragDrop;
-        internal ulong ClipboardDragDropEnd;
-        internal ulong ClipboardAsk;
-        internal ulong ExplorerDragDrop;
-        internal ulong Nil;
-
-        internal PackageMonitor(ulong value)
-        {
-            ClipboardDragDrop = ClipboardDragDropEnd = ExplorerDragDrop =
-                Keyboard = Mouse = Heartbeat = ByeBye = Hello = Clipboard =
-                Matrix = ClipboardImage = ClipboardText = Nil = ClipboardAsk = value;
-        }
-    }
-
-    internal enum ID : uint
-    {
-        NONE = 0,
-        ALL = 255,
-    }
-
-    internal enum ClipboardPostAction : uint
-    {
-        Other = 0,
-        Desktop = 1,
-        Mspaint = 2,
-    }
-
-    [StructLayout(LayoutKind.Sequential)]
-    internal struct KEYBDDATA
-    {
-        [SuppressMessage("StyleCop.CSharp.NamingRules", "SA1307:Accessible fields should begin with upper-case letter", Justification = "Same name as in winAPI")]
-        internal int wVk;
-        [SuppressMessage("StyleCop.CSharp.NamingRules", "SA1307:Accessible fields should begin with upper-case letter", Justification = "Same name as in winAPI")]
-        internal int dwFlags;
-    }
-
-    [StructLayout(LayoutKind.Sequential)]
-    internal struct MOUSEDATA
-    {
-        internal int X;
-        internal int Y;
-        internal int WheelDelta;
-        [SuppressMessage("StyleCop.CSharp.NamingRules", "SA1307:Accessible fields should begin with upper-case letter", Justification = "Same name as in winAPI")]
-        internal int dwFlags;
-    }
-
-    // The beauty of "union" in C#
-    [StructLayout(LayoutKind.Explicit)]
-    internal class DATA
-    {
-        [FieldOffset(0)]
-        internal PackageType Type; // 4 (first byte = package type, 1 = checksum, 2+3 = magic no.)
-
-        [FieldOffset(sizeof(PackageType))]
-        internal int Id; // 4
-
-        [FieldOffset(sizeof(PackageType) + sizeof(uint))]
-        internal ID Src; // 4
-
-        [FieldOffset(sizeof(PackageType) + (2 * sizeof(uint)))]
-        internal ID Des; // 4
-
-        [FieldOffset(sizeof(PackageType) + (3 * sizeof(uint)))]
-        internal long DateTime;
-
-        [FieldOffset(sizeof(PackageType) + (3 * sizeof(uint)) + sizeof(long))]
-        internal KEYBDDATA Kd;
-
-        [FieldOffset(sizeof(PackageType) + (3 * sizeof(uint)))]
-        internal MOUSEDATA Md;
-
-        [FieldOffset(sizeof(PackageType) + (3 * sizeof(uint)))]
-        internal ID Machine1;
-
-        [FieldOffset(sizeof(PackageType) + (4 * sizeof(uint)))]
-        internal ID Machine2;
-
-        [FieldOffset(sizeof(PackageType) + (5 * sizeof(uint)))]
-        internal ID Machine3;
-
-        [FieldOffset(sizeof(PackageType) + (6 * sizeof(uint)))]
-        internal ID Machine4;
-
-        [FieldOffset(sizeof(PackageType) + (3 * sizeof(uint)))]
-        internal ClipboardPostAction PostAction;
-
-        [FieldOffset(sizeof(PackageType) + (7 * sizeof(uint)))]
-        private long machineNameP1;
-
-        [FieldOffset(sizeof(PackageType) + (7 * sizeof(uint)) + sizeof(long))]
-        private long machineNameP2;
-
-        [FieldOffset(sizeof(PackageType) + (7 * sizeof(uint)) + (2 * sizeof(long)))]
-        private long machineNameP3;
-
-        [FieldOffset(sizeof(PackageType) + (7 * sizeof(uint)) + (3 * sizeof(long)))]
-        private long machineNameP4;
-
-        internal string MachineName
-        {
-            get
-            {
-                string name = Common.GetString(BitConverter.GetBytes(machineNameP1))
-                    + Common.GetString(BitConverter.GetBytes(machineNameP2))
-                    + Common.GetString(BitConverter.GetBytes(machineNameP3))
-                    + Common.GetString(BitConverter.GetBytes(machineNameP4));
-                return name.Trim();
-            }
-
-            set
-            {
-                byte[] machineName = Common.GetBytes(value.PadRight(32, ' '));
-                machineNameP1 = BitConverter.ToInt64(machineName, 0);
-                machineNameP2 = BitConverter.ToInt64(machineName, 8);
-                machineNameP3 = BitConverter.ToInt64(machineName, 16);
-                machineNameP4 = BitConverter.ToInt64(machineName, 24);
-            }
-        }
-
-        public DATA()
-        {
-        }
-
-        public DATA(byte[] initialData)
-        {
-            Bytes = initialData;
-        }
-
-        internal byte[] Bytes
-        {
-            get
-            {
-                byte[] buf = new byte[IsBigPackage ? Common.PACKAGE_SIZE_EX : Common.PACKAGE_SIZE];
-                Array.Copy(StructToBytes(this), buf, IsBigPackage ? Common.PACKAGE_SIZE_EX : Common.PACKAGE_SIZE);
-
-                return buf;
-            }
-
-            set
-            {
-                Debug.Assert(value.Length <= Common.PACKAGE_SIZE_EX, "Length > package size");
-                byte[] buf = new byte[Common.PACKAGE_SIZE_EX];
-                Array.Copy(value, buf, value.Length);
-                BytesToStruct(buf, this);
-            }
-        }
-
-        internal bool IsBigPackage
-        {
-            get => Type == 0
-                    ? throw new InvalidOperationException("Package type not set.")
-                    : Type switch
-                    {
-                        PackageType.Hello or PackageType.Awake or PackageType.Heartbeat or PackageType.Heartbeat_ex or PackageType.Handshake or PackageType.HandshakeAck or PackageType.ClipboardPush or PackageType.Clipboard or PackageType.ClipboardAsk or PackageType.ClipboardImage or PackageType.ClipboardText or PackageType.ClipboardDataEnd => true,
-                        _ => (Type & PackageType.Matrix) == PackageType.Matrix,
-                    };
-        }
-
-        private byte[] StructToBytes(object structObject)
-        {
-            byte[] bytes = new byte[Common.PACKAGE_SIZE_EX];
-            GCHandle bHandle = GCHandle.Alloc(bytes, GCHandleType.Pinned);
-            Marshal.StructureToPtr(structObject, Marshal.UnsafeAddrOfPinnedArrayElement(bytes, 0), false);
-            bHandle.Free();
-            return bytes;
-        }
-
-        private void BytesToStruct(byte[] value, object structObject)
-        {
-            GCHandle bHandle = GCHandle.Alloc(value, GCHandleType.Pinned);
-            Marshal.PtrToStructure(Marshal.UnsafeAddrOfPinnedArrayElement(value, 0), structObject);
-            bHandle.Free();
-        }
-    }
-
-    internal partial class Common
-    {
-        internal const byte PACKAGE_SIZE = 32;
-        internal const byte PACKAGE_SIZE_EX = 64;
-        internal const byte WP_PACKAGE_SIZE = 6;
-        internal static PackageMonitor PackageSent;
-        internal static PackageMonitor PackageReceived;
-        internal static int PackageID;
-    }
-}

src/modules/MouseWithoutBorders/App/Class/Common.ShutdownWithPowerToys.cs

@@ -1,33 +0,0 @@
-// Copyright (c) Microsoft Corporation
-// The Microsoft Corporation licenses this file to you under the MIT license.
-// See the LICENSE file in the project root for more information.
-
-using System;
-
-using ManagedCommon;
-using Microsoft.PowerToys.Telemetry;
-using MouseWithoutBorders.Class;
-
-using Logger = MouseWithoutBorders.Core.Logger;
-
-namespace MouseWithoutBorders
-{
-    internal class ShutdownWithPowerToys
-    {
-        public static void WaitForPowerToysRunner(ETWTrace etwTrace)
-        {
-            try
-            {
-                RunnerHelper.WaitForPowerToysRunnerExitFallback(() =>
-                    {
-                        etwTrace?.Dispose();
-                        Common.MainForm.Quit(true, false);
-                    });
-            }
-            catch (Exception e)
-            {
-                Logger.Log(e);
-            }
-        }
-    }
-}

src/modules/MouseWithoutBorders/App/Class/Common.VK.cs

@@ -1,131 +0,0 @@
-// Copyright (c) Microsoft Corporation
-// The Microsoft Corporation licenses this file to you under the MIT license.
-// See the LICENSE file in the project root for more information.
-
-// <summary>
-//     Virtual key constants.
-// </summary>
-// <history>
-//     2008 created by Truong Do (ductdo).
-//     2009-... modified by Truong Do (TruongDo).
-//     2023- Included in PowerToys.
-// </history>
-using System;
-
-namespace MouseWithoutBorders
-{
-    internal enum VK : ushort
-    {
-        CAPITAL = 0x14,
-        NUMLOCK = 0x90,
-        SHIFT = 0x10,
-        CONTROL = 0x11,
-        MENU = 0x12,
-        ESCAPE = 0x1B,
-        BACK = 0x08,
-        TAB = 0x09,
-        RETURN = 0x0D,
-        PRIOR = 0x21,
-        NEXT = 0x22,
-        END = 0x23,
-        HOME = 0x24,
-        LEFT = 0x25,
-        UP = 0x26,
-        RIGHT = 0x27,
-        DOWN = 0x28,
-        SELECT = 0x29,
-        PRINT = 0x2A,
-        EXECUTE = 0x2B,
-        SNAPSHOT = 0x2C,
-        INSERT = 0x2D,
-        DELETE = 0x2E,
-        HELP = 0x2F,
-        NUMPAD0 = 0x60,
-        NUMPAD1 = 0x61,
-        NUMPAD2 = 0x62,
-        NUMPAD3 = 0x63,
-        NUMPAD4 = 0x64,
-        NUMPAD5 = 0x65,
-        NUMPAD6 = 0x66,
-        NUMPAD7 = 0x67,
-        NUMPAD8 = 0x68,
-        NUMPAD9 = 0x69,
-        MULTIPLY = 0x6A,
-        ADD = 0x6B,
-        SEPARATOR = 0x6C,
-        SUBTRACT = 0x6D,
-        DECIMAL = 0x6E,
-        DIVIDE = 0x6F,
-        F1 = 0x70,
-        F2 = 0x71,
-        F3 = 0x72,
-        F4 = 0x73,
-        F5 = 0x74,
-        F6 = 0x75,
-        F7 = 0x76,
-        F8 = 0x77,
-        F9 = 0x78,
-        F10 = 0x79,
-        F11 = 0x7A,
-        F12 = 0x7B,
-        OEM_1 = 0xBA,
-        OEM_PLUS = 0xBB,
-        OEM_COMMA = 0xBC,
-        OEM_MINUS = 0xBD,
-        OEM_PERIOD = 0xBE,
-        OEM_2 = 0xBF,
-        OEM_3 = 0xC0,
-        MEDIA_NEXT_TRACK = 0xB0,
-        MEDIA_PREV_TRACK = 0xB1,
-        MEDIA_STOP = 0xB2,
-        MEDIA_PLAY_PAUSE = 0xB3,
-        LWIN = 0x5B,
-        RWIN = 0x5C,
-        LSHIFT = 0xA0,
-        RSHIFT = 0xA1,
-        LCONTROL = 0xA2,
-        RCONTROL = 0xA3,
-        LMENU = 0xA4,
-        RMENU = 0xA5,
-    }
-
-    internal partial class Common
-    {
-        internal const ushort KEYEVENTF_KEYDOWN = 0x0001;
-        internal const ushort KEYEVENTF_KEYUP = 0x0002;
-
-        internal const int WH_MOUSE = 7;
-        internal const int WH_KEYBOARD = 2;
-        internal const int WH_MOUSE_LL = 14;
-        internal const int WH_KEYBOARD_LL = 13;
-
-        internal const int WM_MOUSEMOVE = 0x200;
-        internal const int WM_LBUTTONDOWN = 0x201;
-        internal const int WM_RBUTTONDOWN = 0x204;
-        internal const int WM_MBUTTONDOWN = 0x207;
-        internal const int WM_XBUTTONDOWN = 0x20B;
-        internal const int WM_LBUTTONUP = 0x202;
-        internal const int WM_RBUTTONUP = 0x205;
-        internal const int WM_MBUTTONUP = 0x208;
-        internal const int WM_XBUTTONUP = 0x20C;
-        internal const int WM_LBUTTONDBLCLK = 0x203;
-        internal const int WM_RBUTTONDBLCLK = 0x206;
-        internal const int WM_MBUTTONDBLCLK = 0x209;
-        internal const int WM_MOUSEWHEEL = 0x020A;
-        internal const int WM_MOUSEHWHEEL = 0x020E;
-
-        internal const int WM_KEYDOWN = 0x100;
-        internal const int WM_KEYUP = 0x101;
-        internal const int WM_SYSKEYDOWN = 0x104;
-        internal const int WM_SYSKEYUP = 0x105;
-
-        [Flags]
-        internal enum LLKHF
-        {
-            EXTENDED = 0x01,
-            INJECTED = 0x10,
-            ALTDOWN = 0x20,
-            UP = 0x80,
-        }
-    }
-}

src/modules/MouseWithoutBorders/App/Class/Common.WinAPI.cs

@@ -1,363 +0,0 @@
-// Copyright (c) Microsoft Corporation
-// The Microsoft Corporation licenses this file to you under the MIT license.
-// See the LICENSE file in the project root for more information.
-
-using System;
-using System.Collections.Generic;
-using System.Diagnostics;
-using System.Drawing;
-using System.Globalization;
-using System.Linq;
-using System.Runtime.InteropServices;
-using System.Threading;
-using System.Windows.Forms;
-
-// <summary>
-//     Screen/Desktop helper functions.
-// </summary>
-// <history>
-//     2008 created by Truong Do (ductdo).
-//     2009-... modified by Truong Do (TruongDo).
-//     2023- Included in PowerToys.
-// </history>
-using MouseWithoutBorders.Class;
-using MouseWithoutBorders.Core;
-
-using Thread = MouseWithoutBorders.Core.Thread;
-
-namespace MouseWithoutBorders
-{
-    // Desktops, and GetScreenConfig routines
-    internal partial class Common
-    {
-        private static MyRectangle newDesktopBounds;
-        private static MyRectangle newPrimaryScreenBounds;
-        private static string activeDesktop;
-
-        internal static string ActiveDesktop => Common.activeDesktop;
-
-        internal static void SystemEvents_DisplaySettingsChanged(object sender, EventArgs e)
-        {
-            GetScreenConfig();
-        }
-
-        internal static readonly List<Point> SensitivePoints = new();
-
-        private static bool MonitorEnumProc(IntPtr hMonitor, IntPtr hdcMonitor, ref NativeMethods.RECT lprcMonitor, IntPtr dwData)
-        {
-            // lprcMonitor is wrong!!! => using GetMonitorInfo(...)
-            // Log(String.Format( CultureInfo.CurrentCulture,"MONITOR: l{0}, t{1}, r{2}, b{3}", lprcMonitor.Left, lprcMonitor.Top, lprcMonitor.Right, lprcMonitor.Bottom));
-            NativeMethods.MonitorInfoEx mi = default;
-            mi.cbSize = Marshal.SizeOf(mi);
-            _ = NativeMethods.GetMonitorInfo(hMonitor, ref mi);
-
-            try
-            {
-                // For logging only
-                _ = NativeMethods.GetDpiForMonitor(hMonitor, 0, out uint dpiX, out uint dpiY);
-                Logger.Log(string.Format(CultureInfo.CurrentCulture, "MONITOR: ({0}, {1}, {2}, {3}). DPI: ({4}, {5})", mi.rcMonitor.Left, mi.rcMonitor.Top, mi.rcMonitor.Right, mi.rcMonitor.Bottom, dpiX, dpiY));
-            }
-            catch (DllNotFoundException)
-            {
-                Logger.Log("GetDpiForMonitor is unsupported in Windows 7 and lower.");
-            }
-            catch (EntryPointNotFoundException)
-            {
-                Logger.Log("GetDpiForMonitor is unsupported in Windows 7 and lower.");
-            }
-            catch (Exception e)
-            {
-                Logger.Log(e);
-            }
-
-            if (mi.rcMonitor.Left == 0 && mi.rcMonitor.Top == 0 && mi.rcMonitor.Right != 0 && mi.rcMonitor.Bottom != 0)
-            {
-                // Primary screen
-                _ = Interlocked.Exchange(ref screenWidth, mi.rcMonitor.Right - mi.rcMonitor.Left);
-                _ = Interlocked.Exchange(ref screenHeight, mi.rcMonitor.Bottom - mi.rcMonitor.Top);
-
-                newPrimaryScreenBounds.Left = mi.rcMonitor.Left;
-                newPrimaryScreenBounds.Top = mi.rcMonitor.Top;
-                newPrimaryScreenBounds.Right = mi.rcMonitor.Right;
-                newPrimaryScreenBounds.Bottom = mi.rcMonitor.Bottom;
-            }
-            else
-            {
-                if (mi.rcMonitor.Left < newDesktopBounds.Left)
-                {
-                    newDesktopBounds.Left = mi.rcMonitor.Left;
-                }
-
-                if (mi.rcMonitor.Top < newDesktopBounds.Top)
-                {
-                    newDesktopBounds.Top = mi.rcMonitor.Top;
-                }
-
-                if (mi.rcMonitor.Right > newDesktopBounds.Right)
-                {
-                    newDesktopBounds.Right = mi.rcMonitor.Right;
-                }
-
-                if (mi.rcMonitor.Bottom > newDesktopBounds.Bottom)
-                {
-                    newDesktopBounds.Bottom = mi.rcMonitor.Bottom;
-                }
-            }
-
-            lock (SensitivePoints)
-            {
-                SensitivePoints.Add(new Point(mi.rcMonitor.Left, mi.rcMonitor.Top));
-                SensitivePoints.Add(new Point(mi.rcMonitor.Right, mi.rcMonitor.Top));
-                SensitivePoints.Add(new Point(mi.rcMonitor.Right, mi.rcMonitor.Bottom));
-                SensitivePoints.Add(new Point(mi.rcMonitor.Left, mi.rcMonitor.Bottom));
-            }
-
-            return true;
-        }
-
-        internal static void GetScreenConfig()
-        {
-            try
-            {
-                Logger.LogDebug("==================== GetScreenConfig started");
-                newDesktopBounds = new MyRectangle();
-                newPrimaryScreenBounds = new MyRectangle();
-                newDesktopBounds.Left = newPrimaryScreenBounds.Left = Screen.PrimaryScreen.Bounds.Left;
-                newDesktopBounds.Top = newPrimaryScreenBounds.Top = Screen.PrimaryScreen.Bounds.Top;
-                newDesktopBounds.Right = newPrimaryScreenBounds.Right = Screen.PrimaryScreen.Bounds.Right;
-                newDesktopBounds.Bottom = newPrimaryScreenBounds.Bottom = Screen.PrimaryScreen.Bounds.Bottom;
-
-                Logger.Log(string.Format(
-                    CultureInfo.CurrentCulture,
-                    "logon = {0} PrimaryScreenBounds = {1},{2},{3},{4} desktopBounds = {5},{6},{7},{8}",
-                    Common.RunOnLogonDesktop,
-                    Common.newPrimaryScreenBounds.Left,
-                    Common.newPrimaryScreenBounds.Top,
-                    Common.newPrimaryScreenBounds.Right,
-                    Common.newPrimaryScreenBounds.Bottom,
-                    Common.newDesktopBounds.Left,
-                    Common.newDesktopBounds.Top,
-                    Common.newDesktopBounds.Right,
-                    Common.newDesktopBounds.Bottom));
-
-#if USE_MANAGED_ROUTINES
-                // Managed routines do not work well when running on secure desktop:(
-                screenWidth = Screen.PrimaryScreen.Bounds.Width;
-                screenHeight = Screen.PrimaryScreen.Bounds.Height;
-                screenCount = Screen.AllScreens.Length;
-                for (int i = 0; i < Screen.AllScreens.Length; i++)
-                {
-                    if (Screen.AllScreens[i].Bounds.Left < desktopBounds.Left) desktopBounds.Left = Screen.AllScreens[i].Bounds.Left;
-                    if (Screen.AllScreens[i].Bounds.Top < desktopBounds.Top) desktopBounds.Top = Screen.AllScreens[i].Bounds.Top;
-                    if (Screen.AllScreens[i].Bounds.Right > desktopBounds.Right) desktopBounds.Right = Screen.AllScreens[i].Bounds.Right;
-                    if (Screen.AllScreens[i].Bounds.Bottom > desktopBounds.Bottom) desktopBounds.Bottom = Screen.AllScreens[i].Bounds.Bottom;
-                }
-#else
-                lock (SensitivePoints)
-                {
-                    SensitivePoints.Clear();
-                }
-
-                NativeMethods.EnumDisplayMonitors(IntPtr.Zero, IntPtr.Zero, MonitorEnumProc, IntPtr.Zero);
-
-                // 1000 calls to EnumDisplayMonitors cost a dozen of milliseconds
-#endif
-                Interlocked.Exchange(ref MachineStuff.desktopBounds, newDesktopBounds);
-                Interlocked.Exchange(ref MachineStuff.primaryScreenBounds, newPrimaryScreenBounds);
-
-                Logger.Log(string.Format(
-                    CultureInfo.CurrentCulture,
-                    "logon = {0} PrimaryScreenBounds = {1},{2},{3},{4} desktopBounds = {5},{6},{7},{8}",
-                    Common.RunOnLogonDesktop,
-                    MachineStuff.PrimaryScreenBounds.Left,
-                    MachineStuff.PrimaryScreenBounds.Top,
-                    MachineStuff.PrimaryScreenBounds.Right,
-                    MachineStuff.PrimaryScreenBounds.Bottom,
-                    MachineStuff.DesktopBounds.Left,
-                    MachineStuff.DesktopBounds.Top,
-                    MachineStuff.DesktopBounds.Right,
-                    MachineStuff.DesktopBounds.Bottom));
-
-                Logger.Log("==================== GetScreenConfig ended");
-            }
-            catch (Exception e)
-            {
-                Logger.Log(e);
-            }
-        }
-
-#if USING_SCREEN_SAVER_ROUTINES
-                [DllImport("user32.dll", CharSet = CharSet.Auto)]
-        private static extern int PostMessage(IntPtr hWnd, int wMsg, int wParam, int lParam);
-
-        [DllImport("user32.dll", CharSet = CharSet.Auto)]
-        private static extern IntPtr OpenDesktop(string hDesktop, int Flags, bool Inherit, UInt32 DesiredAccess);
-
-        [DllImport("user32.dll", CharSet = CharSet.Auto)]
-        private static extern bool CloseDesktop(IntPtr hDesktop);
-
-        [DllImport("user32.dll", CharSet = CharSet.Auto)]
-        private static extern bool EnumDesktopWindows( IntPtr hDesktop, EnumDesktopWindowsProc callback, IntPtr lParam);
-
-        [DllImport("user32.dll", CharSet = CharSet.Auto)]
-        private static extern bool IsWindowVisible(IntPtr hWnd);
-
-        [DllImport("user32.dll", CharSet = CharSet.Auto)]
-        private static extern bool SystemParametersInfo(int uAction, int uParam, ref int pvParam, int flags);
-
-        private delegate bool EnumDesktopWindowsProc(IntPtr hDesktop, IntPtr lParam);
-        private const int WM_CLOSE = 16;
-        private const int SPI_GETSCREENSAVERRUNNING = 114;
-
-        internal static bool IsScreenSaverRunning()
-        {
-            int isRunning = 0;
-            SystemParametersInfo(SPI_GETSCREENSAVERRUNNING, 0,ref isRunning, 0);
-            return (isRunning != 0);
-        }
-
-        internal static void CloseScreenSaver()
-        {
-            IntPtr hDesktop = OpenDesktop("Screen-saver", 0, false, DESKTOP_READOBJECTS | DESKTOP_WRITEOBJECTS);
-            if (hDesktop != IntPtr.Zero)
-            {
-                LogDebug("Closing screen saver...");
-                EnumDesktopWindows(hDesktop, new EnumDesktopWindowsProc(CloseScreenSaverFunc), IntPtr.Zero);
-                CloseDesktop(hDesktop);
-            }
-        }
-
-        private static bool CloseScreenSaverFunc(IntPtr hWnd, IntPtr lParam)
-        {
-            if (IsWindowVisible(hWnd))
-            {
-                LogDebug("Posting WM_CLOSE to " + hWnd.ToString(CultureInfo.InvariantCulture));
-                PostMessage(hWnd, WM_CLOSE, 0, 0);
-            }
-            return true;
-        }
-#endif
-
-        internal static string GetMyDesktop()
-        {
-            byte[] arThreadDesktop = new byte[256];
-            IntPtr hD = NativeMethods.GetThreadDesktop(NativeMethods.GetCurrentThreadId());
-            if (hD != IntPtr.Zero)
-            {
-                _ = NativeMethods.GetUserObjectInformation(hD, NativeMethods.UOI_NAME, arThreadDesktop, arThreadDesktop.Length, out _);
-                return GetString(arThreadDesktop).Replace("\0", string.Empty);
-            }
-
-            return string.Empty;
-        }
-
-        internal static string GetInputDesktop()
-        {
-            byte[] arInputDesktop = new byte[256];
-            IntPtr hD = NativeMethods.OpenInputDesktop(0, false, NativeMethods.DESKTOP_READOBJECTS);
-            if (hD != IntPtr.Zero)
-            {
-                _ = NativeMethods.GetUserObjectInformation(hD, NativeMethods.UOI_NAME, arInputDesktop, arInputDesktop.Length, out _);
-                return GetString(arInputDesktop).Replace("\0", string.Empty);
-            }
-
-            return string.Empty;
-        }
-
-        internal static void StartMMService(string desktopToRunMouseWithoutBordersOn)
-        {
-            if (!Common.RunWithNoAdminRight)
-            {
-                Logger.LogDebug("*** Starting on active Desktop: " + desktopToRunMouseWithoutBordersOn);
-                Service.StartMouseWithoutBordersService(desktopToRunMouseWithoutBordersOn);
-            }
-        }
-
-        internal static void CheckForDesktopSwitchEvent(bool cleanupIfExit)
-        {
-            try
-            {
-                if (!IsMyDesktopActive() || Common.CurrentProcess.SessionId != NativeMethods.WTSGetActiveConsoleSessionId())
-                {
-                    Helper.RunDDHelper(true);
-                    int waitCount = 20;
-
-                    while (NativeMethods.WTSGetActiveConsoleSessionId() == 0xFFFFFFFF && waitCount > 0)
-                    {
-                        waitCount--;
-                        Logger.LogDebug("The session is detached/attached.");
-                        Thread.Sleep(500);
-                    }
-
-                    string myDesktop = GetMyDesktop();
-                    activeDesktop = GetInputDesktop();
-
-                    Logger.LogDebug("*** Active Desktop = " + activeDesktop);
-                    Logger.LogDebug("*** My Desktop = " + myDesktop);
-
-                    if (myDesktop.Equals(activeDesktop, StringComparison.OrdinalIgnoreCase))
-                    {
-                        Logger.LogDebug("*** Active Desktop == My Desktop (TS session)");
-                    }
-
-                    if (!activeDesktop.Equals("winlogon", StringComparison.OrdinalIgnoreCase) &&
-                        !activeDesktop.Equals("default", StringComparison.OrdinalIgnoreCase) &&
-                        !activeDesktop.Equals("disconnect", StringComparison.OrdinalIgnoreCase))
-                    {
-                        try
-                        {
-                            StartMMService(activeDesktop);
-                        }
-                        catch (Exception e)
-                        {
-                            Logger.Log($"{nameof(CheckForDesktopSwitchEvent)}: {e}");
-                        }
-                    }
-                    else
-                    {
-                        if (!myDesktop.Equals(activeDesktop, StringComparison.OrdinalIgnoreCase))
-                        {
-                            Logger.Log("*** Active Desktop <> My Desktop");
-                        }
-
-                        uint sid = NativeMethods.WTSGetActiveConsoleSessionId();
-
-                        if (Process.GetProcessesByName(Common.BinaryName).Any(p => (uint)p.SessionId == sid))
-                        {
-                            Logger.Log("Found MouseWithoutBorders on the active session!");
-                        }
-                        else
-                        {
-                            Logger.Log("MouseWithoutBorders not found on the active session!");
-                            StartMMService(null);
-                        }
-                    }
-
-                    if (!myDesktop.Equals("winlogon", StringComparison.OrdinalIgnoreCase) &&
-                        !myDesktop.Equals("default", StringComparison.OrdinalIgnoreCase))
-                    {
-                        Logger.LogDebug("*** Desktop inactive, exiting: " + myDesktop);
-                        Setting.Values.LastX = JUST_GOT_BACK_FROM_SCREEN_SAVER;
-                        if (cleanupIfExit)
-                        {
-                            InitAndCleanup.Cleanup();
-                        }
-
-                        Process.GetCurrentProcess().KillProcess();
-                    }
-                }
-            }
-            catch (Exception e)
-            {
-                Logger.Log(e);
-            }
-        }
-
-        private static Point p;
-
-        internal static bool IsMyDesktopActive()
-        {
-            return NativeMethods.GetCursorPos(ref p);
-        }
-    }
-}

src/modules/MouseWithoutBorders/App/Class/Common.cs

@@ -315,7 +315,7 @@ namespace MouseWithoutBorders
                 if (!acquireMutex)
                 {
                     Process[] ps = Process.GetProcessesByName(Common.BinaryName);
-                    Logger.TelemetryLogTrace($"Balance: {socketMutexBalance}, Active: {IsMyDesktopActive()}, Sid/Console: {Process.GetCurrentProcess().SessionId}/{NativeMethods.WTSGetActiveConsoleSessionId()}, Desktop/Input: {GetMyDesktop()}/{GetInputDesktop()}, count: {ps?.Length}.", SeverityLevel.Warning);
+                    Logger.TelemetryLogTrace($"Balance: {socketMutexBalance}, Active: {WinAPI.IsMyDesktopActive()}, Sid/Console: {Process.GetCurrentProcess().SessionId}/{NativeMethods.WTSGetActiveConsoleSessionId()}, Desktop/Input: {WinAPI.GetMyDesktop()}/{WinAPI.GetInputDesktop()}, count: {ps?.Length}.", SeverityLevel.Warning);
                 }
 
                 Logger.LogDebug("SOCKET MUTEX ENDED.");
@@ -358,7 +358,7 @@ namespace MouseWithoutBorders
 
                     Logger.TelemetryLogTrace($"[{actionName}] took more than {(long)timeout.TotalSeconds}, restarting the process.", SeverityLevel.Warning, true);
 
-                    string desktop = Common.GetMyDesktop();
+                    string desktop = WinAPI.GetMyDesktop();
                     MachineStuff.oneInstanceCheck?.Close();
                     _ = Process.Start(Application.ExecutablePath, desktop);
                     Logger.LogDebug($"Started on desktop {desktop}");
@@ -514,7 +514,7 @@ namespace MouseWithoutBorders
 
         internal static void SendHeartBeat(bool initial = false)
         {
-            SendPackage(ID.ALL, initial && Common.GeneratedKey ? PackageType.Heartbeat_ex : PackageType.Heartbeat);
+            SendPackage(ID.ALL, initial && Encryption.GeneratedKey ? PackageType.Heartbeat_ex : PackageType.Heartbeat);
         }
 
         private static long lastSendNextMachine;
@@ -550,7 +550,7 @@ namespace MouseWithoutBorders
 
         internal static void SendAwakeBeat()
         {
-            if (!Common.RunOnLogonDesktop && !Common.RunOnScrSaverDesktop && Common.IsMyDesktopActive() &&
+            if (!Common.RunOnLogonDesktop && !Common.RunOnScrSaverDesktop && WinAPI.IsMyDesktopActive() &&
                 Setting.Values.BlockScreenSaver && lastRealInputEventCount != Event.RealInputEventCount)
             {
                 SendPackage(ID.ALL, PackageType.Awake);
@@ -568,7 +568,7 @@ namespace MouseWithoutBorders
         {
             if (lastInputEventCount == Event.InputEventCount)
             {
-                if (!Common.RunOnLogonDesktop && !Common.RunOnScrSaverDesktop && Common.IsMyDesktopActive())
+                if (!Common.RunOnLogonDesktop && !Common.RunOnScrSaverDesktop && WinAPI.IsMyDesktopActive())
                 {
                     PokeMyself();
                 }
@@ -577,13 +577,13 @@ namespace MouseWithoutBorders
             lastInputEventCount = Event.InputEventCount;
         }
 
-        private static void PokeMyself()
+        internal static void PokeMyself()
         {
             int x, y = 0;
 
             for (int i = 0; i < 10; i++)
             {
-                x = Ran.Next(-9, 10);
+                x = Encryption.Ran.Next(-9, 10);
                 InputSimulation.MoveMouseRelative(x, y);
                 Thread.Sleep(50);
                 InputSimulation.MoveMouseRelative(-x, -y);
@@ -677,7 +677,7 @@ namespace MouseWithoutBorders
                 {
                     Common.MMSleep(0.2);
                     InputSimulation.SendKey(new KEYBDDATA() { wVk = (int)VK.SNAPSHOT });
-                    InputSimulation.SendKey(new KEYBDDATA() { dwFlags = (int)Common.LLKHF.UP, wVk = (int)VK.SNAPSHOT });
+                    InputSimulation.SendKey(new KEYBDDATA() { dwFlags = (int)WM.LLKHF.UP, wVk = (int)VK.SNAPSHOT });
 
                     Logger.LogDebug("PrepareScreenCapture: SNAPSHOT simulated.");
 
@@ -710,7 +710,7 @@ namespace MouseWithoutBorders
                 "\"" + Environment.ExpandEnvironmentVariables(@"%SystemRoot%\System32\Mspaint.exe") +
                 "\"",
                 "\"" + file + "\"",
-                GetInputDesktop(),
+                WinAPI.GetInputDesktop(),
                 1);
 
             // CreateNormalIntegrityProcess(Environment.ExpandEnvironmentVariables(@"%SystemRoot%\System32\Mspaint.exe") +
@@ -919,7 +919,7 @@ namespace MouseWithoutBorders
 
                 try
                 {
-                    data.Id = Interlocked.Increment(ref PackageID);
+                    data.Id = Interlocked.Increment(ref Package.PackageID);
 
                     bool updateClientSockets = false;
 
@@ -999,7 +999,7 @@ namespace MouseWithoutBorders
             }
             else
             {
-                PackageSent.Nil++;
+                Package.PackageSent.Nil++;
             }
         }
 
@@ -1379,7 +1379,7 @@ namespace MouseWithoutBorders
 
                 if (string.IsNullOrEmpty(machine_Name))
                 {
-                    machine_Name = "RANDOM" + Ran.Next().ToString(CultureInfo.CurrentCulture);
+                    machine_Name = "RANDOM" + Encryption.Ran.Next().ToString(CultureInfo.CurrentCulture);
                 }
             }
 
@@ -1533,13 +1533,13 @@ namespace MouseWithoutBorders
 
         internal static void SendOrReceiveARandomDataBlockPerInitialIV(Stream st, bool send = true)
         {
-            byte[] ranData = new byte[SymAlBlockSize];
+            byte[] ranData = new byte[Encryption.SymAlBlockSize];
 
             try
             {
                 if (send)
                 {
-                    ranData = RandomNumberGenerator.GetBytes(SymAlBlockSize);
+                    ranData = RandomNumberGenerator.GetBytes(Encryption.SymAlBlockSize);
                     st.Write(ranData, 0, ranData.Length);
                 }
                 else

src/modules/MouseWithoutBorders/App/Class/InputHook.cs

@@ -109,7 +109,7 @@ namespace MouseWithoutBorders.Class
             // Install Mouse Hook
             mouseHookProcedure = new NativeMethods.HookProc(MouseHookProc);
             hMouseHook = NativeMethods.SetWindowsHookEx(
-                Common.WH_MOUSE_LL,
+                WM.WH_MOUSE_LL,
                 mouseHookProcedure,
                 Marshal.GetHINSTANCE(
                     Assembly.GetExecutingAssembly().GetModules()[0]),
@@ -126,7 +126,7 @@ namespace MouseWithoutBorders.Class
             // Install Keyboard Hook
             keyboardHookProcedure = new NativeMethods.HookProc(KeyboardHookProc);
             hKeyboardHook = NativeMethods.SetWindowsHookEx(
-                Common.WH_KEYBOARD_LL,
+                WM.WH_KEYBOARD_LL,
                 keyboardHookProcedure,
                 Marshal.GetHINSTANCE(
                 Assembly.GetExecutingAssembly().GetModules()[0]),
@@ -233,7 +233,7 @@ namespace MouseWithoutBorders.Class
 
                     if (nCode >= 0 && MouseEvent != null)
                     {
-                        if (wParam == Common.WM_LBUTTONUP && SkipMouseUpCount > 0)
+                        if (wParam == WM.WM_LBUTTONUP && SkipMouseUpCount > 0)
                         {
                             Logger.LogDebug($"{nameof(SkipMouseUpCount)}: {SkipMouseUpCount}.");
                             SkipMouseUpCount--;
@@ -241,7 +241,7 @@ namespace MouseWithoutBorders.Class
                             return rv;
                         }
 
-                        if ((wParam == Common.WM_LBUTTONUP || wParam == Common.WM_LBUTTONDOWN) && SkipMouseUpDown)
+                        if ((wParam == WM.WM_LBUTTONUP || wParam == WM.WM_LBUTTONDOWN) && SkipMouseUpDown)
                         {
                             rv = NativeMethods.CallNextHookEx(hMouseHook, nCode, wParam, lParam);
                             return rv;
@@ -370,7 +370,7 @@ namespace MouseWithoutBorders.Class
 
         private bool ProcessKeyEx(int vkCode, int flags, KEYBDDATA hookCallbackKeybdData)
         {
-            if ((flags & (int)Common.LLKHF.UP) == (int)Common.LLKHF.UP)
+            if ((flags & (int)WM.LLKHF.UP) == (int)WM.LLKHF.UP)
             {
                 EasyMouseKeyDown = false;
 
@@ -553,7 +553,7 @@ namespace MouseWithoutBorders.Class
                             KeyboardEvent(hookCallbackKeybdData);
                         }
 
-                        hookCallbackKeybdData.dwFlags |= (int)Common.LLKHF.UP;
+                        hookCallbackKeybdData.dwFlags |= (int)WM.LLKHF.UP;
 
                         foreach (var code in codes)
                         {

src/modules/MouseWithoutBorders/App/Class/InputSimulation.cs

@@ -112,12 +112,12 @@ namespace MouseWithoutBorders.Class
             uint scanCode = 0;
 
             // http://msdn.microsoft.com/en-us/library/ms644967(VS.85).aspx
-            if ((kd.dwFlags & (int)Common.LLKHF.UP) == (int)Common.LLKHF.UP)
+            if ((kd.dwFlags & (int)WM.LLKHF.UP) == (int)WM.LLKHF.UP)
             {
                 dwFlags = NativeMethods.KEYEVENTF.KEYUP;
             }
 
-            if ((kd.dwFlags & (int)Common.LLKHF.EXTENDED) == (int)Common.LLKHF.EXTENDED)
+            if ((kd.dwFlags & (int)WM.LLKHF.EXTENDED) == (int)WM.LLKHF.EXTENDED)
             {
                 dwFlags |= NativeMethods.KEYEVENTF.EXTENDEDKEY;
             }
@@ -173,44 +173,44 @@ namespace MouseWithoutBorders.Class
             mouse_input.mi.dy = (int)dy;
             mouse_input.mi.mouseData = md.WheelDelta;
 
-            if (md.dwFlags != Common.WM_MOUSEMOVE)
+            if (md.dwFlags != WM.WM_MOUSEMOVE)
             {
                 Logger.LogDebug($"InputSimulation.SendMouse: x = {md.X}, y = {md.Y}, WheelDelta = {md.WheelDelta}, dwFlags = {md.dwFlags}.");
             }
 
             switch (md.dwFlags)
             {
-                case Common.WM_MOUSEMOVE:
+                case WM.WM_MOUSEMOVE:
                     mouse_input.mi.dwFlags |= (int)(NativeMethods.MOUSEEVENTF.MOVE | NativeMethods.MOUSEEVENTF.ABSOLUTE);
                     break;
-                case Common.WM_LBUTTONDOWN:
+                case WM.WM_LBUTTONDOWN:
                     mouse_input.mi.dwFlags |= (int)NativeMethods.MOUSEEVENTF.LEFTDOWN;
                     break;
-                case Common.WM_LBUTTONUP:
+                case WM.WM_LBUTTONUP:
                     mouse_input.mi.dwFlags |= (int)NativeMethods.MOUSEEVENTF.LEFTUP;
                     break;
-                case Common.WM_RBUTTONDOWN:
+                case WM.WM_RBUTTONDOWN:
                     mouse_input.mi.dwFlags |= (int)NativeMethods.MOUSEEVENTF.RIGHTDOWN;
                     break;
-                case Common.WM_RBUTTONUP:
+                case WM.WM_RBUTTONUP:
                     mouse_input.mi.dwFlags |= (int)NativeMethods.MOUSEEVENTF.RIGHTUP;
                     break;
-                case Common.WM_MBUTTONDOWN:
+                case WM.WM_MBUTTONDOWN:
                     mouse_input.mi.dwFlags |= (int)NativeMethods.MOUSEEVENTF.MIDDLEDOWN;
                     break;
-                case Common.WM_MBUTTONUP:
+                case WM.WM_MBUTTONUP:
                     mouse_input.mi.dwFlags |= (int)NativeMethods.MOUSEEVENTF.MIDDLEUP;
                     break;
-                case Common.WM_MOUSEWHEEL:
+                case WM.WM_MOUSEWHEEL:
                     mouse_input.mi.dwFlags |= (int)NativeMethods.MOUSEEVENTF.WHEEL;
                     break;
-                case Common.WM_MOUSEHWHEEL:
+                case WM.WM_MOUSEHWHEEL:
                     mouse_input.mi.dwFlags |= (int)NativeMethods.MOUSEEVENTF.HWHEEL;
                     break;
-                case Common.WM_XBUTTONUP:
+                case WM.WM_XBUTTONUP:
                     mouse_input.mi.dwFlags |= (int)NativeMethods.MOUSEEVENTF.XUP;
                     break;
-                case Common.WM_XBUTTONDOWN:
+                case WM.WM_XBUTTONDOWN:
                     mouse_input.mi.dwFlags |= (int)NativeMethods.MOUSEEVENTF.XDOWN;
                     break;
 
@@ -373,7 +373,7 @@ namespace MouseWithoutBorders.Class
         {
             eatKey = false;
 
-            if ((flags & (int)Common.LLKHF.UP) == (int)Common.LLKHF.UP)
+            if ((flags & (int)WM.LLKHF.UP) == (int)WM.LLKHF.UP)
             {
                 switch ((VK)vkCode)
                 {

src/modules/MouseWithoutBorders/App/Class/Program.cs

@@ -143,7 +143,7 @@ namespace MouseWithoutBorders.Class
                         return;
                     }
 
-                    string myDesktop = Common.GetMyDesktop();
+                    string myDesktop = WinAPI.GetMyDesktop();
 
                     if (firstArg.Equals("winlogon", StringComparison.OrdinalIgnoreCase))
                     {
@@ -305,8 +305,8 @@ namespace MouseWithoutBorders.Class
 
                 MachineStuff.ClearComputerMatrix();
                 Setting.Values.MyKey = securityKey;
-                Common.MyKey = securityKey;
-                Common.MagicNumber = Common.Get24BitHash(Common.MyKey);
+                Encryption.MyKey = securityKey;
+                Encryption.MagicNumber = Encryption.Get24BitHash(Encryption.MyKey);
                 MachineStuff.MachineMatrix = new string[MachineStuff.MAX_MACHINE] { pcName.Trim().ToUpper(CultureInfo.CurrentCulture), Common.MachineName.Trim(), string.Empty, string.Empty };
 
                 string[] machines = MachineStuff.MachineMatrix;
@@ -328,8 +328,8 @@ namespace MouseWithoutBorders.Class
 
                 Setting.Values.EasyMouse = (int)EasyMouseOption.Enable;
                 MachineStuff.ClearComputerMatrix();
-                Setting.Values.MyKey = Common.MyKey = Common.CreateRandomKey();
-                Common.GeneratedKey = true;
+                Setting.Values.MyKey = Encryption.MyKey = Encryption.CreateRandomKey();
+                Encryption.GeneratedKey = true;
 
                 Setting.Values.PauseInstantSaving = false;
                 Setting.Values.SaveSettings();

src/modules/MouseWithoutBorders/App/Class/Setting.cs

@@ -109,9 +109,9 @@ namespace MouseWithoutBorders.Class
 
                         var shouldReopenSockets = false;
 
-                        if (Common.MyKey != _properties.SecurityKey.Value)
+                        if (Encryption.MyKey != _properties.SecurityKey.Value)
                         {
-                            Common.MyKey = _properties.SecurityKey.Value;
+                            Encryption.MyKey = _properties.SecurityKey.Value;
                             shouldReopenSockets = true;
                         }
 
@@ -489,7 +489,7 @@ namespace MouseWithoutBorders.Class
                     }
                     else
                     {
-                        string randomKey = Common.CreateDefaultKey();
+                        string randomKey = Encryption.CreateDefaultKey();
                         _properties.SecurityKey.Value = randomKey;
 
                         return randomKey;
@@ -1055,7 +1055,7 @@ namespace MouseWithoutBorders.Class
 
                     if (machineId == 0)
                     {
-                        var newMachineId = Common.Ran.Next();
+                        var newMachineId = Encryption.Ran.Next();
                         _properties.MachineID.Value = newMachineId;
                         machineId = newMachineId;
                         if (!PauseInstantSaving)

src/modules/MouseWithoutBorders/App/Class/SocketStuff.cs

@@ -101,7 +101,7 @@ namespace MouseWithoutBorders.Class
             {
                 if (encryptedStream == null && BackingSocket.Connected)
                 {
-                    encryptedStream = Common.GetEncryptedStream(new NetworkStream(BackingSocket));
+                    encryptedStream = Encryption.GetEncryptedStream(new NetworkStream(BackingSocket));
                     Common.SendOrReceiveARandomDataBlockPerInitialIV(encryptedStream);
                 }
 
@@ -115,7 +115,7 @@ namespace MouseWithoutBorders.Class
             {
                 if (decryptedStream == null && BackingSocket.Connected)
                 {
-                    decryptedStream = Common.GetDecryptedStream(new NetworkStream(BackingSocket));
+                    decryptedStream = Encryption.GetDecryptedStream(new NetworkStream(BackingSocket));
                     Common.SendOrReceiveARandomDataBlockPerInitialIV(decryptedStream, false);
                 }
 
@@ -181,7 +181,7 @@ namespace MouseWithoutBorders.Class
             Logger.LogDebug("SocketStuff started.");
 
             bASE_PORT = port;
-            Common.Ran = new Random();
+            Encryption.Ran = new Random();
 
             Logger.LogDebug("Validating session...");
 
@@ -221,11 +221,11 @@ namespace MouseWithoutBorders.Class
 
                 if (Setting.Values.IsMyKeyRandom)
                 {
-                    Setting.Values.MyKey = Common.MyKey;
+                    Setting.Values.MyKey = Encryption.MyKey;
                 }
 
-                Common.MagicNumber = Common.Get24BitHash(Common.MyKey);
-                Common.PackageID = Setting.Values.PackageID;
+                Encryption.MagicNumber = Encryption.Get24BitHash(Encryption.MyKey);
+                Package.PackageID = Setting.Values.PackageID;
 
                 TcpPort = bASE_PORT;
 
@@ -242,7 +242,7 @@ namespace MouseWithoutBorders.Class
                 Logger.TelemetryLogTrace($"{nameof(SocketStuff)}: {e.Message}", SeverityLevel.Warning);
             }
 
-            Common.GetScreenConfig();
+            WinAPI.GetScreenConfig();
 
             if (firstRun && Common.RunOnScrSaverDesktop)
             {
@@ -305,7 +305,7 @@ namespace MouseWithoutBorders.Class
                             sleepSecs = 10;
 
                             // It is reasonable to give a try on restarting MwB processes in other sessions.
-                            if (restartCount++ < 5 && Common.IsMyDesktopActive() && !Common.RunOnLogonDesktop && !Common.RunOnScrSaverDesktop)
+                            if (restartCount++ < 5 && WinAPI.IsMyDesktopActive() && !Common.RunOnLogonDesktop && !Common.RunOnScrSaverDesktop)
                             {
                                 Logger.TelemetryLogTrace("Restarting the service dues to WSAEADDRINUSE.", SeverityLevel.Warning);
                                 Program.StartService();
@@ -361,7 +361,7 @@ namespace MouseWithoutBorders.Class
                 {
                     Setting.Values.LastX = Common.LastX;
                     Setting.Values.LastY = Common.LastY;
-                    Setting.Values.PackageID = Common.PackageID;
+                    Setting.Values.PackageID = Package.PackageID;
 
                     // Common.Log("Saving IP: " + Setting.Values.DesMachineID.ToString(CultureInfo.CurrentCulture));
                     Setting.Values.DesMachineID = (uint)Common.DesMachineID;
@@ -505,10 +505,10 @@ namespace MouseWithoutBorders.Class
                 throw new ExpectedSocketException(log);
             }
 
-            bytes[3] = (byte)((Common.MagicNumber >> 24) & 0xFF);
-            bytes[2] = (byte)((Common.MagicNumber >> 16) & 0xFF);
+            bytes[3] = (byte)((Encryption.MagicNumber >> 24) & 0xFF);
+            bytes[2] = (byte)((Encryption.MagicNumber >> 16) & 0xFF);
             bytes[1] = 0;
-            for (int i = 2; i < Common.PACKAGE_SIZE; i++)
+            for (int i = 2; i < Package.PACKAGE_SIZE; i++)
             {
                 bytes[1] = (byte)(bytes[1] + bytes[i]);
             }
@@ -535,13 +535,13 @@ namespace MouseWithoutBorders.Class
 
             magic = (buf[3] << 24) + (buf[2] << 16);
 
-            if (magic != (Common.MagicNumber & 0xFFFF0000))
+            if (magic != (Encryption.MagicNumber & 0xFFFF0000))
             {
                 Logger.Log("Magic number invalid!");
                 buf[0] = (byte)PackageType.Invalid;
             }
 
-            for (int i = 2; i < Common.PACKAGE_SIZE; i++)
+            for (int i = 2; i < Package.PACKAGE_SIZE; i++)
             {
                 checksum = (byte)(checksum + buf[i]);
             }
@@ -557,7 +557,7 @@ namespace MouseWithoutBorders.Class
 
         internal static DATA TcpReceiveData(TcpSk tcp, out int bytesReceived)
         {
-            byte[] buf = new byte[Common.PACKAGE_SIZE_EX];
+            byte[] buf = new byte[Package.PACKAGE_SIZE_EX];
             Stream decryptedStream = tcp.DecryptedStream;
 
             if (tcp.BackingSocket == null || !tcp.BackingSocket.Connected || decryptedStream == null)
@@ -571,9 +571,9 @@ namespace MouseWithoutBorders.Class
 
             try
             {
-                bytesReceived = decryptedStream.ReadEx(buf, 0, Common.PACKAGE_SIZE);
+                bytesReceived = decryptedStream.ReadEx(buf, 0, Package.PACKAGE_SIZE);
 
-                if (bytesReceived != Common.PACKAGE_SIZE)
+                if (bytesReceived != Package.PACKAGE_SIZE)
                 {
                     buf[0] = bytesReceived == 0 ? (byte)PackageType.Error : (byte)PackageType.Invalid;
                 }
@@ -586,9 +586,9 @@ namespace MouseWithoutBorders.Class
 
                 if (package.IsBigPackage)
                 {
-                    bytesReceived = decryptedStream.ReadEx(buf, Common.PACKAGE_SIZE, Common.PACKAGE_SIZE);
+                    bytesReceived = decryptedStream.ReadEx(buf, Package.PACKAGE_SIZE, Package.PACKAGE_SIZE);
 
-                    if (bytesReceived != Common.PACKAGE_SIZE)
+                    if (bytesReceived != Package.PACKAGE_SIZE)
                     {
                         buf[0] = bytesReceived == 0 ? (byte)PackageType.Error : (byte)PackageType.Invalid;
                     }
@@ -614,28 +614,28 @@ namespace MouseWithoutBorders.Class
             switch (type)
             {
                 case PackageType.Keyboard:
-                    Common.PackageSent.Keyboard++;
+                    Package.PackageSent.Keyboard++;
                     break;
 
                 case PackageType.Mouse:
-                    Common.PackageSent.Mouse++;
+                    Package.PackageSent.Mouse++;
                     break;
 
                 case PackageType.Heartbeat:
                 case PackageType.Heartbeat_ex:
-                    Common.PackageSent.Heartbeat++;
+                    Package.PackageSent.Heartbeat++;
                     break;
 
                 case PackageType.Hello:
-                    Common.PackageSent.Hello++;
+                    Package.PackageSent.Hello++;
                     break;
 
                 case PackageType.ByeBye:
-                    Common.PackageSent.ByeBye++;
+                    Package.PackageSent.ByeBye++;
                     break;
 
                 case PackageType.Matrix:
-                    Common.PackageSent.Matrix++;
+                    Package.PackageSent.Matrix++;
                     break;
 
                 default:
@@ -643,11 +643,11 @@ namespace MouseWithoutBorders.Class
                     switch (subtype)
                     {
                         case (byte)PackageType.ClipboardText:
-                            Common.PackageSent.ClipboardText++;
+                            Package.PackageSent.ClipboardText++;
                             break;
 
                         case (byte)PackageType.ClipboardImage:
-                            Common.PackageSent.ClipboardImage++;
+                            Package.PackageSent.ClipboardImage++;
                             break;
 
                         default:
@@ -1266,7 +1266,7 @@ namespace MouseWithoutBorders.Class
             string strIP = string.Empty;
             ID remoteID = ID.NONE;
 
-            byte[] buf = RandomNumberGenerator.GetBytes(Common.PACKAGE_SIZE_EX);
+            byte[] buf = RandomNumberGenerator.GetBytes(Package.PACKAGE_SIZE_EX);
             d = new DATA(buf);
 
             TcpSk currentTcp = tcp;
@@ -1280,8 +1280,8 @@ namespace MouseWithoutBorders.Class
 
             try
             {
-                currentSocket.SendBufferSize = Common.PACKAGE_SIZE * 10000;
-                currentSocket.ReceiveBufferSize = Common.PACKAGE_SIZE * 10000;
+                currentSocket.SendBufferSize = Package.PACKAGE_SIZE * 10000;
+                currentSocket.ReceiveBufferSize = Package.PACKAGE_SIZE * 10000;
                 currentSocket.NoDelay = true; // This is very interesting to know:(
                 currentSocket.SendTimeout = 500;
                 d.MachineName = Common.MachineName;
@@ -1829,7 +1829,7 @@ namespace MouseWithoutBorders.Class
                     }
                     while (rv > 0);
 
-                    if ((rv = Common.PACKAGE_SIZE - (sentCount % Common.PACKAGE_SIZE)) > 0)
+                    if ((rv = Package.PACKAGE_SIZE - (sentCount % Package.PACKAGE_SIZE)) > 0)
                     {
                         Array.Clear(buf, 0, buf.Length);
                         ecStream.Write(buf, 0, rv);
@@ -1900,7 +1900,7 @@ namespace MouseWithoutBorders.Class
                 }
                 while (rv > 0);
 
-                if ((rv = sentCount % Common.PACKAGE_SIZE) > 0)
+                if ((rv = sentCount % Package.PACKAGE_SIZE) > 0)
                 {
                     Array.Clear(buf, 0, buf.Length);
                     ecStream.Write(buf, 0, rv);
@@ -1984,7 +1984,7 @@ namespace MouseWithoutBorders.Class
                             if (tcp.MachineId == Setting.Values.MachineId)
                             {
                                 tcp = null;
-                                Setting.Values.MachineId = Common.Ran.Next();
+                                Setting.Values.MachineId = Encryption.Ran.Next();
                                 InitAndCleanup.UpdateMachineTimeAndID();
                                 InitAndCleanup.PleaseReopenSocket = InitAndCleanup.REOPEN_WHEN_HOTKEY;
 

src/modules/MouseWithoutBorders/App/Class/TcpServer.cs

@@ -70,7 +70,7 @@ namespace MouseWithoutBorders.Class
                             continue;
                         }
 
-                        if (!Common.IsMyDesktopActive())
+                        if (!WinAPI.IsMyDesktopActive())
                         {
                             // We can just throw the SocketException but to avoid a redundant log entry:
                             throw new ExpectedSocketException($"{nameof(StartServer)}: The desktop is no longer active.");

src/modules/MouseWithoutBorders/App/Core/Clipboard.cs

@@ -270,15 +270,15 @@ internal static class Clipboard
             int index = 0;
             int len;
             DATA package = new();
-            byte[] buf = new byte[Common.PACKAGE_SIZE_EX];
-            int dataStart = Common.PACKAGE_SIZE_EX - DATA_SIZE;
+            byte[] buf = new byte[Package.PACKAGE_SIZE_EX];
+            int dataStart = Package.PACKAGE_SIZE_EX - DATA_SIZE;
 
             while (true)
             {
                 if ((index + DATA_SIZE) > l)
                 {
                     len = l - index;
-                    Array.Clear(buf, 0, Common.PACKAGE_SIZE_EX);
+                    Array.Clear(buf, 0, Package.PACKAGE_SIZE_EX);
                 }
                 else
                 {
@@ -315,7 +315,7 @@ internal static class Clipboard
             }
 
             MemoryStream m = new();
-            int dataStart = Common.PACKAGE_SIZE_EX - DATA_SIZE;
+            int dataStart = Package.PACKAGE_SIZE_EX - DATA_SIZE;
             m.Write(data.Bytes, dataStart, DATA_SIZE);
             int unexpectedCount = 0;
 
@@ -809,27 +809,27 @@ internal static class Clipboard
                 MachineName = Common.MachineName,
             };
 
-            byte[] buf = new byte[Common.PACKAGE_SIZE_EX];
+            byte[] buf = new byte[Package.PACKAGE_SIZE_EX];
 
             NetworkStream ns = new(s);
-            enStream = Common.GetEncryptedStream(ns);
+            enStream = Encryption.GetEncryptedStream(ns);
             Common.SendOrReceiveARandomDataBlockPerInitialIV(enStream);
             Logger.LogDebug($"{nameof(ShakeHand)}: Writing header package.");
-            enStream.Write(package.Bytes, 0, Common.PACKAGE_SIZE_EX);
+            enStream.Write(package.Bytes, 0, Package.PACKAGE_SIZE_EX);
 
             Logger.LogDebug($"{nameof(ShakeHand)}: Sent: clientPush={clientPushData}, postAction={postAction}.");
 
-            deStream = Common.GetDecryptedStream(ns);
+            deStream = Encryption.GetDecryptedStream(ns);
             Common.SendOrReceiveARandomDataBlockPerInitialIV(deStream, false);
 
             Logger.LogDebug($"{nameof(ShakeHand)}: Reading header package.");
 
-            int bytesReceived = deStream.ReadEx(buf, 0, Common.PACKAGE_SIZE_EX);
+            int bytesReceived = deStream.ReadEx(buf, 0, Package.PACKAGE_SIZE_EX);
             package.Bytes = buf;
 
             string name = "Unknown";
 
-            if (bytesReceived == Common.PACKAGE_SIZE_EX)
+            if (bytesReceived == Package.PACKAGE_SIZE_EX)
             {
                 if (package.Type is PackageType.Clipboard or PackageType.ClipboardPush)
                 {

src/modules/MouseWithoutBorders/App/Core/ClipboardPostAction.cs

@@ -0,0 +1,25 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Diagnostics;
+using System.Diagnostics.CodeAnalysis;
+using System.Runtime.InteropServices;
+
+// <summary>
+//     Package format/conversion.
+// </summary>
+// <history>
+//     2008 created by Truong Do (ductdo).
+//     2009-... modified by Truong Do (TruongDo).
+//     2023- Included in PowerToys.
+// </history>
+namespace MouseWithoutBorders.Core;
+
+internal enum ClipboardPostAction : uint
+{
+    Other = 0,
+    Desktop = 1,
+    Mspaint = 2,
+}

src/modules/MouseWithoutBorders/App/Core/DATA.cs

@@ -0,0 +1,150 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Diagnostics;
+using System.Diagnostics.CodeAnalysis;
+using System.Runtime.InteropServices;
+
+// In X64, we are WOW
+[module: SuppressMessage("Microsoft.Portability", "CA1900:ValueTypeFieldsShouldBePortable", Scope = "type", Target = "MouseWithoutBorders.Core.DATA", Justification = "Dotnet port with style preservation")]
+
+// <summary>
+//     Package format/conversion.
+// </summary>
+// <history>
+//     2008 created by Truong Do (ductdo).
+//     2009-... modified by Truong Do (TruongDo).
+//     2023- Included in PowerToys.
+// </history>
+namespace MouseWithoutBorders.Core;
+
+// The beauty of "union" in C#
+[StructLayout(LayoutKind.Explicit)]
+internal sealed class DATA
+{
+    [FieldOffset(0)]
+    internal PackageType Type; // 4 (first byte = package type, 1 = checksum, 2+3 = magic no.)
+
+    [FieldOffset(sizeof(PackageType))]
+    internal int Id; // 4
+
+    [FieldOffset(sizeof(PackageType) + sizeof(uint))]
+    internal ID Src; // 4
+
+    [FieldOffset(sizeof(PackageType) + (2 * sizeof(uint)))]
+    internal ID Des; // 4
+
+    [FieldOffset(sizeof(PackageType) + (3 * sizeof(uint)))]
+    internal long DateTime;
+
+    [FieldOffset(sizeof(PackageType) + (3 * sizeof(uint)) + sizeof(long))]
+    internal KEYBDDATA Kd;
+
+    [FieldOffset(sizeof(PackageType) + (3 * sizeof(uint)))]
+    internal MOUSEDATA Md;
+
+    [FieldOffset(sizeof(PackageType) + (3 * sizeof(uint)))]
+    internal ID Machine1;
+
+    [FieldOffset(sizeof(PackageType) + (4 * sizeof(uint)))]
+    internal ID Machine2;
+
+    [FieldOffset(sizeof(PackageType) + (5 * sizeof(uint)))]
+    internal ID Machine3;
+
+    [FieldOffset(sizeof(PackageType) + (6 * sizeof(uint)))]
+    internal ID Machine4;
+
+    [FieldOffset(sizeof(PackageType) + (3 * sizeof(uint)))]
+    internal ClipboardPostAction PostAction;
+
+    [FieldOffset(sizeof(PackageType) + (7 * sizeof(uint)))]
+    private long machineNameP1;
+
+    [FieldOffset(sizeof(PackageType) + (7 * sizeof(uint)) + sizeof(long))]
+    private long machineNameP2;
+
+    [FieldOffset(sizeof(PackageType) + (7 * sizeof(uint)) + (2 * sizeof(long)))]
+    private long machineNameP3;
+
+    [FieldOffset(sizeof(PackageType) + (7 * sizeof(uint)) + (3 * sizeof(long)))]
+    private long machineNameP4;
+
+    internal string MachineName
+    {
+        get
+        {
+            string name = Common.GetString(BitConverter.GetBytes(machineNameP1))
+                + Common.GetString(BitConverter.GetBytes(machineNameP2))
+                + Common.GetString(BitConverter.GetBytes(machineNameP3))
+                + Common.GetString(BitConverter.GetBytes(machineNameP4));
+            return name.Trim();
+        }
+
+        set
+        {
+            byte[] machineName = Common.GetBytes(value.PadRight(32, ' '));
+            machineNameP1 = BitConverter.ToInt64(machineName, 0);
+            machineNameP2 = BitConverter.ToInt64(machineName, 8);
+            machineNameP3 = BitConverter.ToInt64(machineName, 16);
+            machineNameP4 = BitConverter.ToInt64(machineName, 24);
+        }
+    }
+
+    public DATA()
+    {
+    }
+
+    public DATA(byte[] initialData)
+    {
+        Bytes = initialData;
+    }
+
+    internal byte[] Bytes
+    {
+        get
+        {
+            byte[] buf = new byte[IsBigPackage ? Package.PACKAGE_SIZE_EX : Package.PACKAGE_SIZE];
+            Array.Copy(StructToBytes(this), buf, IsBigPackage ? Package.PACKAGE_SIZE_EX : Package.PACKAGE_SIZE);
+
+            return buf;
+        }
+
+        set
+        {
+            Debug.Assert(value.Length <= Package.PACKAGE_SIZE_EX, "Length > package size");
+            byte[] buf = new byte[Package.PACKAGE_SIZE_EX];
+            Array.Copy(value, buf, value.Length);
+            BytesToStruct(buf, this);
+        }
+    }
+
+    internal bool IsBigPackage
+    {
+        get => Type == 0
+                ? throw new InvalidOperationException("Package type not set.")
+                : Type switch
+                {
+                    PackageType.Hello or PackageType.Awake or PackageType.Heartbeat or PackageType.Heartbeat_ex or PackageType.Handshake or PackageType.HandshakeAck or PackageType.ClipboardPush or PackageType.Clipboard or PackageType.ClipboardAsk or PackageType.ClipboardImage or PackageType.ClipboardText or PackageType.ClipboardDataEnd => true,
+                    _ => (Type & PackageType.Matrix) == PackageType.Matrix,
+                };
+    }
+
+    private byte[] StructToBytes(object structObject)
+    {
+        byte[] bytes = new byte[Package.PACKAGE_SIZE_EX];
+        GCHandle bHandle = GCHandle.Alloc(bytes, GCHandleType.Pinned);
+        Marshal.StructureToPtr(structObject, Marshal.UnsafeAddrOfPinnedArrayElement(bytes, 0), false);
+        bHandle.Free();
+        return bytes;
+    }
+
+    private void BytesToStruct(byte[] value, object structObject)
+    {
+        GCHandle bHandle = GCHandle.Alloc(value, GCHandleType.Pinned);
+        Marshal.PtrToStructure(Marshal.UnsafeAddrOfPinnedArrayElement(value, 0), structObject);
+        bHandle.Free();
+    }
+}

src/modules/MouseWithoutBorders/App/Core/DragDrop.cs

@@ -67,20 +67,20 @@ internal static class DragDrop
             return;
         }
 
-        if (wParam == Common.WM_LBUTTONDOWN)
+        if (wParam == WM.WM_LBUTTONDOWN)
         {
             MouseDown = true;
             DragMachine = MachineStuff.desMachineID;
             MachineStuff.dropMachineID = ID.NONE;
             Logger.LogDebug("DragDropStep01: MouseDown");
         }
-        else if (wParam == Common.WM_LBUTTONUP)
+        else if (wParam == WM.WM_LBUTTONUP)
         {
             MouseDown = false;
             Logger.LogDebug("DragDropStep01: MouseUp");
         }
 
-        if (wParam == Common.WM_RBUTTONUP && IsDropping)
+        if (wParam == WM.WM_RBUTTONUP && IsDropping)
         {
             IsDropping = false;
             Clipboard.LastIDWithClipboardData = ID.NONE;
@@ -252,7 +252,7 @@ internal static class DragDrop
 
     internal static void DragDropStep09(int wParam)
     {
-        if (wParam == Common.WM_MOUSEMOVE && IsDropping)
+        if (wParam == WM.WM_MOUSEMOVE && IsDropping)
         {
             // Show/Move form
             Common.DoSomethingInUIThread(() =>
@@ -260,7 +260,7 @@ internal static class DragDrop
                 _ = NativeMethods.PostMessage(Common.MainForm.Handle, NativeMethods.WM_SHOW_DRAG_DROP, (IntPtr)0, (IntPtr)0);
             });
         }
-        else if (wParam == Common.WM_LBUTTONUP && (IsDropping || IsDragging))
+        else if (wParam == WM.WM_LBUTTONUP && (IsDropping || IsDragging))
         {
             if (IsDropping)
             {

src/modules/MouseWithoutBorders/App/Core/Encryption.cs

@@ -0,0 +1,245 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Collections.Concurrent;
+using System.Globalization;
+using System.IO;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Threading.Tasks;
+
+// <summary>
+//     Encrypt/decrypt implementation.
+// </summary>
+// <history>
+//     2008 created by Truong Do (ductdo).
+//     2009-... modified by Truong Do (TruongDo).
+//     2023- Included in PowerToys.
+// </history>
+namespace MouseWithoutBorders.Core;
+
+internal static class Encryption
+{
+#pragma warning disable SYSLIB0021
+    private static AesCryptoServiceProvider symAl;
+#pragma warning restore SYSLIB0021
+#pragma warning disable SA1307 // Accessible fields should begin with upper-case letter
+    internal static string myKey;
+#pragma warning restore SA1307
+    private static uint magicNumber;
+    private static Random ran = new(); // Used for non encryption related functionality.
+    internal const int SymAlBlockSize = 16;
+
+    /// <summary>
+    /// This is used for the first encryption block, the following blocks will be combined with the cipher text of the previous block.
+    /// Thus identical blocks in the socket stream would be encrypted to different cipher text blocks.
+    /// The first block is a handshake one containing random data.
+    /// Related Unit Test: TestEncryptDecrypt
+    /// </summary>
+    private static readonly string InitialIV = ulong.MaxValue.ToString(CultureInfo.InvariantCulture);
+
+    internal static Random Ran
+    {
+        get => Encryption.ran ??= new Random();
+        set => Encryption.ran = value;
+    }
+
+    internal static uint MagicNumber
+    {
+        get => Encryption.magicNumber;
+        set => Encryption.magicNumber = value;
+    }
+
+    internal static string MyKey
+    {
+        get => Encryption.myKey;
+
+        set
+        {
+            if (Encryption.myKey != value)
+            {
+                Encryption.myKey = value;
+                _ = Task.Factory.StartNew(
+                    () => Encryption.GenLegalKey(),
+                    System.Threading.CancellationToken.None,
+                    TaskCreationOptions.None,
+                    TaskScheduler.Default); // Cache the key to improve UX.
+            }
+        }
+    }
+
+    private static string KeyDisplayedText(string key)
+    {
+        string displayedValue = string.Empty;
+        int i = 0;
+
+        do
+        {
+            int length = Math.Min(4, key.Length - i);
+            displayedValue += string.Concat(key.AsSpan(i, length), "  ");
+            i += 4;
+        }
+        while (i < key.Length - 1);
+
+        return displayedValue.Trim();
+    }
+
+    internal static bool GeneratedKey { get; set; }
+
+    internal static bool KeyCorrupted { get; set; }
+
+    internal static void InitEncryption()
+    {
+        try
+        {
+            if (symAl == null)
+            {
+#pragma warning disable SYSLIB0021 // No proper replacement for now
+                symAl = new AesCryptoServiceProvider();
+#pragma warning restore SYSLIB0021
+                symAl.KeySize = 256;
+                symAl.BlockSize = SymAlBlockSize * 8;
+                symAl.Padding = PaddingMode.Zeros;
+                symAl.Mode = CipherMode.CBC;
+                symAl.GenerateIV();
+            }
+        }
+        catch (Exception e)
+        {
+            Logger.Log(e);
+        }
+    }
+
+    private static readonly ConcurrentDictionary<string, byte[]> LegalKeyDictionary = new(StringComparer.OrdinalIgnoreCase);
+
+    private static byte[] GenLegalKey()
+    {
+        byte[] rv;
+        string myKey = Encryption.MyKey;
+
+        if (!LegalKeyDictionary.TryGetValue(myKey, out byte[] value))
+        {
+            Rfc2898DeriveBytes key = new(
+                myKey,
+                Common.GetBytesU(InitialIV),
+                50000,
+                HashAlgorithmName.SHA512);
+            rv = key.GetBytes(32);
+            _ = LegalKeyDictionary.AddOrUpdate(myKey, rv, (k, v) => rv);
+        }
+        else
+        {
+            rv = value;
+        }
+
+        return rv;
+    }
+
+    private static byte[] GenLegalIV()
+    {
+        string st = InitialIV;
+        int ivLength = symAl.IV.Length;
+        if (st.Length > ivLength)
+        {
+            st = st[..ivLength];
+        }
+        else if (st.Length < ivLength)
+        {
+            st = st.PadRight(ivLength, ' ');
+        }
+
+        return Common.GetBytes(st);
+    }
+
+    internal static Stream GetEncryptedStream(Stream encryptedStream)
+    {
+        ICryptoTransform encryptor;
+        encryptor = symAl.CreateEncryptor(GenLegalKey(), GenLegalIV());
+        return new CryptoStream(encryptedStream, encryptor, CryptoStreamMode.Write);
+    }
+
+    internal static Stream GetDecryptedStream(Stream encryptedStream)
+    {
+        ICryptoTransform decryptor;
+        decryptor = symAl.CreateDecryptor(GenLegalKey(), GenLegalIV());
+        return new CryptoStream(encryptedStream, decryptor, CryptoStreamMode.Read);
+    }
+
+    internal static uint Get24BitHash(string st)
+    {
+        if (string.IsNullOrEmpty(st))
+        {
+            return 0;
+        }
+
+        byte[] bytes = new byte[Package.PACKAGE_SIZE];
+        for (int i = 0; i < Package.PACKAGE_SIZE; i++)
+        {
+            if (i < st.Length)
+            {
+                bytes[i] = (byte)st[i];
+            }
+        }
+
+        var hash = SHA512.Create();
+        byte[] hashValue = hash.ComputeHash(bytes);
+
+        for (int i = 0; i < 50000; i++)
+        {
+            hashValue = hash.ComputeHash(hashValue);
+        }
+
+        Logger.LogDebug(string.Format(CultureInfo.CurrentCulture, "magic: {0},{1},{2}", hashValue[0], hashValue[1], hashValue[^1]));
+        hash.Clear();
+        return (uint)((hashValue[0] << 23) + (hashValue[1] << 16) + (hashValue[^1] << 8) + hashValue[2]);
+    }
+
+    internal static string GetDebugInfo(string st)
+    {
+        return string.IsNullOrEmpty(st) ? st : ((byte)(Common.GetBytesU(st).Sum(value => value) % 256)).ToString(CultureInfo.InvariantCulture);
+    }
+
+    internal static string CreateDefaultKey()
+    {
+        return CreateRandomKey();
+    }
+
+    private const int PW_LENGTH = 16;
+
+    internal static string CreateRandomKey()
+    {
+        // Not including characters like "'`O0& since they are confusing to users.
+        string[] chars = new[] { "abcdefghjkmnpqrstuvxyz", "ABCDEFGHJKMNPQRSTUVXYZ", "123456789", "~!@#$%^*()_-+=:;<,>.?/\\|[]" };
+        char[][] charactersUsedForKey = chars.Select(charset => Enumerable.Range(0, charset.Length - 1).Select(i => charset[i]).ToArray()).ToArray();
+        byte[] randomData = new byte[1];
+        string key = string.Empty;
+
+        do
+        {
+            foreach (string set in chars)
+            {
+                randomData = RandomNumberGenerator.GetBytes(1);
+                key += set[randomData[0] % set.Length];
+
+                if (key.Length >= PW_LENGTH)
+                {
+                    break;
+                }
+            }
+        }
+        while (key.Length < PW_LENGTH);
+
+        return key;
+    }
+
+    internal static bool IsKeyValid(string key, out string error)
+    {
+        error = string.IsNullOrEmpty(key) || key.Length < 16
+            ? "Key must have at least 16 characters in length (spaces are discarded). Key must be auto generated in one of the machines."
+            : null;
+
+        return error == null;
+    }
+}

src/modules/MouseWithoutBorders/App/Core/Event.cs

@@ -70,7 +70,7 @@ internal static class Event
             // Check if easy mouse setting is enabled.
             bool isEasyMouseEnabled = IsSwitchingByMouseEnabled();
 
-            if (isEasyMouseEnabled && Common.Sk != null && (Common.DesMachineID == Common.MachineID || !Setting.Values.MoveMouseRelatively) && e.dwFlags == Common.WM_MOUSEMOVE)
+            if (isEasyMouseEnabled && Common.Sk != null && (Common.DesMachineID == Common.MachineID || !Setting.Values.MoveMouseRelatively) && e.dwFlags == WM.WM_MOUSEMOVE)
             {
                 Point p = MachineStuff.MoveToMyNeighbourIfNeeded(e.X, e.Y, MachineStuff.desMachineID);
 
@@ -115,7 +115,7 @@ internal static class Event
 
                 Common.SkSend(MousePackage, null, false);
 
-                if (MousePackage.Md.dwFlags is Common.WM_LBUTTONUP or Common.WM_RBUTTONUP)
+                if (MousePackage.Md.dwFlags is WM.WM_LBUTTONUP or WM.WM_RBUTTONUP)
                 {
                     Thread.Sleep(10);
                 }
@@ -265,7 +265,7 @@ internal static class Event
                 KeybdPackage.Kd = e;
                 KeybdPackage.DateTime = Common.GetTick();
                 Common.SkSend(KeybdPackage, null, false);
-                if (KeybdPackage.Kd.dwFlags is Common.WM_KEYUP or Common.WM_SYSKEYUP)
+                if (KeybdPackage.Kd.dwFlags is WM.WM_KEYUP or WM.WM_SYSKEYUP)
                 {
                     Thread.Sleep(10);
                 }

src/modules/MouseWithoutBorders/App/Core/Helper.cs

@@ -290,7 +290,7 @@ internal static class Helper
             return;
         }
 
-        if (!Common.IsMyDesktopActive())
+        if (!WinAPI.IsMyDesktopActive())
         {
             return;
         }
@@ -314,7 +314,7 @@ internal static class Helper
             _ = Launch.CreateProcessInInputDesktopSession(
                 $"\"{Path.GetDirectoryName(Application.ExecutablePath)}\\{HelperProcessName}.exe\"",
                 string.Empty,
-                Common.GetInputDesktop(),
+                WinAPI.GetInputDesktop(),
                 0);
 
             Clipboard.HasSwitchedMachineSinceLastCopy = true;
@@ -379,7 +379,7 @@ internal static class Helper
         log += "=============================================================================================================================\r\n";
         log += $"{Application.ProductName} version {Application.ProductVersion}\r\n";
 
-        log += $"{Setting.Values.Username}/{Common.GetDebugInfo(Common.MyKey)}\r\n";
+        log += $"{Setting.Values.Username}/{Encryption.GetDebugInfo(Encryption.MyKey)}\r\n";
         log += $"{Common.MachineName}/{Common.MachineID}/{Common.DesMachineID}\r\n";
         log += $"Id: {Setting.Values.DeviceId}\r\n";
         log += $"Matrix: {string.Join(",", MachineStuff.MachineMatrix)}\r\n";

src/modules/MouseWithoutBorders/App/Core/ID.cs

@@ -0,0 +1,19 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+// <summary>
+//     Package format/conversion.
+// </summary>
+// <history>
+//     2008 created by Truong Do (ductdo).
+//     2009-... modified by Truong Do (TruongDo).
+//     2023- Included in PowerToys.
+// </history>
+namespace MouseWithoutBorders.Core;
+
+internal enum ID : uint
+{
+    NONE = 0,
+    ALL = 255,
+}

src/modules/MouseWithoutBorders/App/Core/InitAndCleanup.cs

@@ -89,23 +89,23 @@ internal static class InitAndCleanup
     internal static void Init()
     {
         _ = Helper.GetUserName();
-        Common.GeneratedKey = true;
+        Encryption.GeneratedKey = true;
 
         try
         {
-            Common.MyKey = Setting.Values.MyKey;
+            Encryption.MyKey = Setting.Values.MyKey;
             int tmp = Setting.Values.MyKeyDaysToExpire;
         }
         catch (FormatException e)
         {
-            Common.KeyCorrupted = true;
-            Setting.Values.MyKey = Common.MyKey = Common.CreateRandomKey();
+            Encryption.KeyCorrupted = true;
+            Setting.Values.MyKey = Encryption.MyKey = Encryption.CreateRandomKey();
             Logger.Log(e.Message);
         }
         catch (CryptographicException e)
         {
-            Common.KeyCorrupted = true;
-            Setting.Values.MyKey = Common.MyKey = Common.CreateRandomKey();
+            Encryption.KeyCorrupted = true;
+            Setting.Values.MyKey = Encryption.MyKey = Encryption.CreateRandomKey();
             Logger.Log(e.Message);
         }
 
@@ -127,14 +127,14 @@ internal static class InitAndCleanup
         bool dummy = Setting.Values.DrawMouseEx;
         Common.Is64bitOS = IntPtr.Size == 8;
         Common.tcpPort = Setting.Values.TcpPort;
-        Common.GetScreenConfig();
-        Common.PackageSent = new PackageMonitor(0);
-        Common.PackageReceived = new PackageMonitor(0);
+        WinAPI.GetScreenConfig();
+        Package.PackageSent = new PackageMonitor(0);
+        Package.PackageReceived = new PackageMonitor(0);
         SetupMachineNameAndID();
-        Common.InitEncryption();
+        Encryption.InitEncryption();
         CreateHelperThreads();
 
-        SystemEvents.DisplaySettingsChanged += new EventHandler(Common.SystemEvents_DisplaySettingsChanged);
+        SystemEvents.DisplaySettingsChanged += new EventHandler(WinAPI.SystemEvents_DisplaySettingsChanged);
         NetworkChange.NetworkAvailabilityChanged += new NetworkAvailabilityChangedEventHandler(NetworkChange_NetworkAvailabilityChanged);
         SystemEvents.PowerModeChanged += new PowerModeChangedEventHandler(SystemEvents_PowerModeChanged);
         PleaseReopenSocket = 9;
@@ -220,7 +220,7 @@ internal static class InitAndCleanup
         lastReleaseAllKeysCall = Common.GetTick();
 
         KEYBDDATA kd;
-        kd.dwFlags = (int)Common.LLKHF.UP;
+        kd.dwFlags = (int)WM.LLKHF.UP;
 
         VK[] keys = new VK[]
         {
@@ -266,7 +266,7 @@ internal static class InitAndCleanup
                 true);
         }
 
-        if (!Common.IsMyDesktopActive())
+        if (!WinAPI.IsMyDesktopActive())
         {
             PleaseReopenSocket = 0;
         }

src/modules/MouseWithoutBorders/App/Core/KEYBDDATA.cs

@@ -0,0 +1,25 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Diagnostics.CodeAnalysis;
+using System.Runtime.InteropServices;
+
+// <summary>
+//     Package format/conversion.
+// </summary>
+// <history>
+//     2008 created by Truong Do (ductdo).
+//     2009-... modified by Truong Do (TruongDo).
+//     2023- Included in PowerToys.
+// </history>
+namespace MouseWithoutBorders.Core;
+
+[StructLayout(LayoutKind.Sequential)]
+internal struct KEYBDDATA
+{
+    [SuppressMessage("StyleCop.CSharp.NamingRules", "SA1307:Accessible fields should begin with upper-case letter", Justification = "Same name as in winAPI")]
+    internal int wVk;
+    [SuppressMessage("StyleCop.CSharp.NamingRules", "SA1307:Accessible fields should begin with upper-case letter", Justification = "Same name as in winAPI")]
+    internal int dwFlags;
+}

src/modules/MouseWithoutBorders/App/Core/Logger.cs

@@ -121,52 +121,52 @@ internal static class Logger
     {
         string log;
 
-        if (!lastPackageSent.Equals(Common.PackageSent))
+        if (!lastPackageSent.Equals(Package.PackageSent))
         {
             log = string.Format(
                 CultureInfo.CurrentCulture,
                 "SENT:" + HeaderSENT,
-                Common.PackageSent.Heartbeat,
-                Common.PackageSent.Keyboard,
-                Common.PackageSent.Mouse,
-                Common.PackageSent.Hello,
-                Common.PackageSent.Matrix,
-                Common.PackageSent.ClipboardText,
-                Common.PackageSent.ClipboardImage,
-                Common.PackageSent.ByeBye,
-                Common.PackageSent.Clipboard,
-                Common.PackageSent.ClipboardDragDrop,
-                Common.PackageSent.ClipboardDragDropEnd,
-                Common.PackageSent.ExplorerDragDrop,
+                Package.PackageSent.Heartbeat,
+                Package.PackageSent.Keyboard,
+                Package.PackageSent.Mouse,
+                Package.PackageSent.Hello,
+                Package.PackageSent.Matrix,
+                Package.PackageSent.ClipboardText,
+                Package.PackageSent.ClipboardImage,
+                Package.PackageSent.ByeBye,
+                Package.PackageSent.Clipboard,
+                Package.PackageSent.ClipboardDragDrop,
+                Package.PackageSent.ClipboardDragDropEnd,
+                Package.PackageSent.ExplorerDragDrop,
                 Event.inputEventCount,
-                Common.PackageSent.Nil);
+                Package.PackageSent.Nil);
             Log(log);
-            lastPackageSent = Common.PackageSent; // Copy data
+            lastPackageSent = Package.PackageSent; // Copy data
         }
 
-        if (!lastPackageReceived.Equals(Common.PackageReceived))
+        if (!lastPackageReceived.Equals(Package.PackageReceived))
         {
             log = string.Format(
                 CultureInfo.CurrentCulture,
                 "RECEIVED:" + HeaderRECEIVED,
-                Common.PackageReceived.Heartbeat,
-                Common.PackageReceived.Keyboard,
-                Common.PackageReceived.Mouse,
-                Common.PackageReceived.Hello,
-                Common.PackageReceived.Matrix,
-                Common.PackageReceived.ClipboardText,
-                Common.PackageReceived.ClipboardImage,
-                Common.PackageReceived.ByeBye,
-                Common.PackageReceived.Clipboard,
-                Common.PackageReceived.ClipboardDragDrop,
-                Common.PackageReceived.ClipboardDragDropEnd,
-                Common.PackageReceived.ExplorerDragDrop,
+                Package.PackageReceived.Heartbeat,
+                Package.PackageReceived.Keyboard,
+                Package.PackageReceived.Mouse,
+                Package.PackageReceived.Hello,
+                Package.PackageReceived.Matrix,
+                Package.PackageReceived.ClipboardText,
+                Package.PackageReceived.ClipboardImage,
+                Package.PackageReceived.ByeBye,
+                Package.PackageReceived.Clipboard,
+                Package.PackageReceived.ClipboardDragDrop,
+                Package.PackageReceived.ClipboardDragDropEnd,
+                Package.PackageReceived.ExplorerDragDrop,
                 Event.invalidPackageCount,
-                Common.PackageReceived.Nil,
+                Package.PackageReceived.Nil,
                 Receiver.processedPackageCount,
                 Receiver.skippedPackageCount);
             Log(log);
-            lastPackageReceived = Common.PackageReceived;
+            lastPackageReceived = Package.PackageReceived;
         }
     }
 
@@ -209,9 +209,9 @@ internal static class Logger
                 "Private Mem: " + (Process.GetCurrentProcess().PrivateMemorySize64 / 1024).ToString(CultureInfo.CurrentCulture) + "KB",
                 sb.ToString());
 
-            if (!string.IsNullOrEmpty(Common.myKey))
+            if (!string.IsNullOrEmpty(Encryption.myKey))
             {
-                log = log.Replace(Common.MyKey, Common.GetDebugInfo(Common.MyKey));
+                log = log.Replace(Encryption.MyKey, Encryption.GetDebugInfo(Encryption.MyKey));
             }
 
             log += Thread.DumpThreadsStack();
@@ -251,14 +251,18 @@ internal static class Logger
         {
             typeof(Clipboard),
             typeof(DragDrop),
+            typeof(Encryption),
             typeof(Event),
             typeof(InitAndCleanup),
             typeof(Helper),
             typeof(Launch),
             typeof(Logger),
             typeof(MachineStuff),
+            typeof(Package),
             typeof(Receiver),
             typeof(Service),
+            typeof(WinAPI),
+            typeof(WM),
         };
         foreach (var staticType in staticTypes)
         {
@@ -294,7 +298,7 @@ internal static class Logger
         // strArr[3] = t.FullName;
         strArr[4] = " = ";
         strArr[5] = objName.Equals("myKey", StringComparison.OrdinalIgnoreCase)
-            ? Common.GetDebugInfo(objString)
+            ? Encryption.GetDebugInfo(objString)
             : objName.Equals("lastClipboardObject", StringComparison.OrdinalIgnoreCase)
                 ? string.Empty
                 : objString

src/modules/MouseWithoutBorders/App/Core/MOUSEDATA.cs

@@ -0,0 +1,26 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Diagnostics.CodeAnalysis;
+using System.Runtime.InteropServices;
+
+// <summary>
+//     Package format/conversion.
+// </summary>
+// <history>
+//     2008 created by Truong Do (ductdo).
+//     2009-... modified by Truong Do (TruongDo).
+//     2023- Included in PowerToys.
+// </history>
+namespace MouseWithoutBorders.Core;
+
+[StructLayout(LayoutKind.Sequential)]
+internal struct MOUSEDATA
+{
+    internal int X;
+    internal int Y;
+    internal int WheelDelta;
+    [SuppressMessage("StyleCop.CSharp.NamingRules", "SA1307:Accessible fields should begin with upper-case letter", Justification = "Same name as in winAPI")]
+    internal int dwFlags;
+}

src/modules/MouseWithoutBorders/App/Core/MachineStuff.cs

@@ -221,9 +221,9 @@ internal static class MachineStuff
 
         if (Setting.Values.BlockMouseAtCorners)
         {
-            lock (Common.SensitivePoints)
+            lock (WinAPI.SensitivePoints)
             {
-                foreach (Point p in Common.SensitivePoints)
+                foreach (Point p in WinAPI.SensitivePoints)
                 {
                     if (Math.Abs(p.X - x) < 100 && Math.Abs(p.Y - y) < 100)
                     {
@@ -793,8 +793,8 @@ internal static class MachineStuff
     internal static void ShowSetupForm(bool reopenSockets = false)
     {
         Logger.LogDebug("========== BEGIN THE SETUP EXPERIENCE ==========", true);
-        Setting.Values.MyKey = Common.MyKey = Common.CreateRandomKey();
-        Common.GeneratedKey = true;
+        Setting.Values.MyKey = Encryption.MyKey = Encryption.CreateRandomKey();
+        Encryption.GeneratedKey = true;
 
         if (Process.GetCurrentProcess().SessionId != NativeMethods.WTSGetActiveConsoleSessionId())
         {
@@ -1067,7 +1067,7 @@ internal static class MachineStuff
 
     internal static void AssertOneInstancePerDesktopSession()
     {
-        string eventName = $"Global\\{Application.ProductName}-{FrmAbout.AssemblyVersion}-{Common.GetMyDesktop()}-{Common.CurrentProcess.SessionId}";
+        string eventName = $"Global\\{Application.ProductName}-{FrmAbout.AssemblyVersion}-{WinAPI.GetMyDesktop()}-{Common.CurrentProcess.SessionId}";
         oneInstanceCheck = new EventWaitHandle(false, EventResetMode.ManualReset, eventName, out bool created);
 
         if (!created)

src/modules/MouseWithoutBorders/App/Core/Package.cs

@@ -0,0 +1,23 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+// <summary>
+//     Package format/conversion.
+// </summary>
+// <history>
+//     2008 created by Truong Do (ductdo).
+//     2009-... modified by Truong Do (TruongDo).
+//     2023- Included in PowerToys.
+// </history>
+namespace MouseWithoutBorders.Core;
+
+internal static class Package
+{
+    internal const byte PACKAGE_SIZE = 32;
+    internal const byte PACKAGE_SIZE_EX = 64;
+    private const byte WP_PACKAGE_SIZE = 6;
+    internal static PackageMonitor PackageSent;
+    internal static PackageMonitor PackageReceived;
+    internal static int PackageID;
+}

src/modules/MouseWithoutBorders/App/Core/PackageMonitor.cs

@@ -0,0 +1,38 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+// <summary>
+//     Package format/conversion.
+// </summary>
+// <history>
+//     2008 created by Truong Do (ductdo).
+//     2009-... modified by Truong Do (TruongDo).
+//     2023- Included in PowerToys.
+// </history>
+namespace MouseWithoutBorders.Core;
+
+internal struct PackageMonitor
+{
+    internal ulong Keyboard;
+    internal ulong Mouse;
+    internal ulong Heartbeat;
+    internal ulong ByeBye;
+    internal ulong Hello;
+    internal ulong Matrix;
+    internal ulong ClipboardText;
+    internal ulong ClipboardImage;
+    internal ulong Clipboard;
+    internal ulong ClipboardDragDrop;
+    internal ulong ClipboardDragDropEnd;
+    internal ulong ClipboardAsk;
+    internal ulong ExplorerDragDrop;
+    internal ulong Nil;
+
+    internal PackageMonitor(ulong value)
+    {
+        ClipboardDragDrop = ClipboardDragDropEnd = ExplorerDragDrop =
+            Keyboard = Mouse = Heartbeat = ByeBye = Hello = Clipboard =
+            Matrix = ClipboardImage = ClipboardText = Nil = ClipboardAsk = value;
+    }
+}

src/modules/MouseWithoutBorders/App/Core/PackageType.cs

@@ -0,0 +1,57 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+// <summary>
+//     Package format/conversion.
+// </summary>
+// <history>
+//     2008 created by Truong Do (ductdo).
+//     2009-... modified by Truong Do (TruongDo).
+//     2023- Included in PowerToys.
+// </history>
+namespace MouseWithoutBorders.Core;
+
+internal enum PackageType // : int
+{
+    // Search for PACKAGE_TYPE_RELATED before changing these!
+    Invalid = 0xFF,
+
+    Error = 0xFE,
+
+    Hi = 2,
+    Hello = 3,
+    ByeBye = 4,
+
+    Heartbeat = 20,
+    Awake = 21,
+    HideMouse = 50,
+    Heartbeat_ex = 51,
+    Heartbeat_ex_l2 = 52,
+    Heartbeat_ex_l3 = 53,
+
+    Clipboard = 69,
+    ClipboardDragDrop = 70,
+    ClipboardDragDropEnd = 71,
+    ExplorerDragDrop = 72,
+    ClipboardCapture = 73,
+    CaptureScreenCommand = 74,
+    ClipboardDragDropOperation = 75,
+    ClipboardDataEnd = 76,
+    MachineSwitched = 77,
+    ClipboardAsk = 78,
+    ClipboardPush = 79,
+
+    NextMachine = 121,
+    Keyboard = 122,
+    Mouse = 123,
+    ClipboardText = 124,
+    ClipboardImage = 125,
+
+    Handshake = 126,
+    HandshakeAck = 127,
+
+    Matrix = 128,
+    MatrixSwapFlag = 2,
+    MatrixTwoRowFlag = 4,
+}

src/modules/MouseWithoutBorders/App/Core/Receiver.cs

@@ -93,7 +93,7 @@ internal static class Receiver
         switch (package.Type)
         {
             case PackageType.Keyboard:
-                Common.PackageReceived.Keyboard++;
+                Package.PackageReceived.Keyboard++;
                 if (package.Des == Common.MachineID || package.Des == ID.ALL)
                 {
                     JustGotAKey = Common.GetTick();
@@ -102,7 +102,7 @@ internal static class Receiver
                     bool nonElevated = Common.RunWithNoAdminRight && false;
                     if (nonElevated && Setting.Values.OneWayControlMode)
                     {
-                        if ((package.Kd.dwFlags & (int)Common.LLKHF.UP) == (int)Common.LLKHF.UP)
+                        if ((package.Kd.dwFlags & (int)WM.LLKHF.UP) == (int)WM.LLKHF.UP)
                         {
                             Helper.ShowOneWayModeMessage();
                         }
@@ -116,7 +116,7 @@ internal static class Receiver
                 break;
 
             case PackageType.Mouse:
-                Common.PackageReceived.Mouse++;
+                Package.PackageReceived.Mouse++;
 
                 if (package.Des == Common.MachineID || package.Des == ID.ALL)
                 {
@@ -127,16 +127,16 @@ internal static class Receiver
 
                     // NOTE(@yuyoyuppe): disabled to drop elevation requirement
                     bool nonElevated = Common.RunWithNoAdminRight && false;
-                    if (nonElevated && Setting.Values.OneWayControlMode && package.Md.dwFlags != Common.WM_MOUSEMOVE)
+                    if (nonElevated && Setting.Values.OneWayControlMode && package.Md.dwFlags != WM.WM_MOUSEMOVE)
                     {
                         if (!DragDrop.IsDropping)
                         {
-                            if (package.Md.dwFlags is Common.WM_LBUTTONDOWN or Common.WM_RBUTTONDOWN)
+                            if (package.Md.dwFlags is WM.WM_LBUTTONDOWN or WM.WM_RBUTTONDOWN)
                             {
                                 Helper.ShowOneWayModeMessage();
                             }
                         }
-                        else if (package.Md.dwFlags is Common.WM_LBUTTONUP or Common.WM_RBUTTONUP)
+                        else if (package.Md.dwFlags is WM.WM_LBUTTONUP or WM.WM_RBUTTONUP)
                         {
                             DragDrop.IsDropping = false;
                         }
@@ -146,7 +146,7 @@ internal static class Receiver
 
                     if (Math.Abs(package.Md.X) >= Event.MOVE_MOUSE_RELATIVE && Math.Abs(package.Md.Y) >= Event.MOVE_MOUSE_RELATIVE)
                     {
-                        if (package.Md.dwFlags == Common.WM_MOUSEMOVE)
+                        if (package.Md.dwFlags == WM.WM_MOUSEMOVE)
                         {
                             InputSimulation.MoveMouseRelative(
                                 package.Md.X < 0 ? package.Md.X + Event.MOVE_MOUSE_RELATIVE : package.Md.X - Event.MOVE_MOUSE_RELATIVE,
@@ -203,19 +203,19 @@ internal static class Receiver
                 break;
 
             case PackageType.ExplorerDragDrop:
-                Common.PackageReceived.ExplorerDragDrop++;
+                Package.PackageReceived.ExplorerDragDrop++;
                 DragDrop.DragDropStep03(package);
                 break;
 
             case PackageType.Heartbeat:
             case PackageType.Heartbeat_ex:
-                Common.PackageReceived.Heartbeat++;
+                Package.PackageReceived.Heartbeat++;
 
-                Common.GeneratedKey = Common.GeneratedKey || package.Type == PackageType.Heartbeat_ex;
+                Encryption.GeneratedKey = Encryption.GeneratedKey || package.Type == PackageType.Heartbeat_ex;
 
-                if (Common.GeneratedKey)
+                if (Encryption.GeneratedKey)
                 {
-                    Setting.Values.MyKey = Common.MyKey;
+                    Setting.Values.MyKey = Encryption.MyKey;
                     Common.SendPackage(ID.ALL, PackageType.Heartbeat_ex_l2);
                 }
 
@@ -230,26 +230,26 @@ internal static class Receiver
                 break;
 
             case PackageType.Heartbeat_ex_l2:
-                Common.GeneratedKey = true;
-                Setting.Values.MyKey = Common.MyKey;
+                Encryption.GeneratedKey = true;
+                Setting.Values.MyKey = Encryption.MyKey;
                 Common.SendPackage(ID.ALL, PackageType.Heartbeat_ex_l3);
 
                 break;
 
             case PackageType.Heartbeat_ex_l3:
-                Common.GeneratedKey = true;
-                Setting.Values.MyKey = Common.MyKey;
+                Encryption.GeneratedKey = true;
+                Setting.Values.MyKey = Encryption.MyKey;
 
                 break;
 
             case PackageType.Awake:
-                Common.PackageReceived.Heartbeat++;
+                Package.PackageReceived.Heartbeat++;
                 _ = MachineStuff.AddToMachinePool(package);
                 Common.HumanBeingDetected();
                 break;
 
             case PackageType.Hello:
-                Common.PackageReceived.Hello++;
+                Package.PackageReceived.Hello++;
                 Common.SendHeartBeat();
                 string newMachine = MachineStuff.AddToMachinePool(package);
                 if (Setting.Values.MachineMatrixString == null)
@@ -262,16 +262,16 @@ internal static class Receiver
                 break;
 
             case PackageType.Hi:
-                Common.PackageReceived.Hello++;
+                Package.PackageReceived.Hello++;
                 break;
 
             case PackageType.ByeBye:
-                Common.PackageReceived.ByeBye++;
+                Package.PackageReceived.ByeBye++;
                 Common.ProcessByeByeMessage(package);
                 break;
 
             case PackageType.Clipboard:
-                Common.PackageReceived.Clipboard++;
+                Package.PackageReceived.Clipboard++;
                 if (!Common.RunOnLogonDesktop && !Common.RunOnScrSaverDesktop)
                 {
                     Clipboard.clipboardCopiedTime = Common.GetTick();
@@ -291,7 +291,7 @@ internal static class Receiver
                 break;
 
             case PackageType.ClipboardCapture:
-                Common.PackageReceived.Clipboard++;
+                Package.PackageReceived.Clipboard++;
                 if (!Common.RunOnLogonDesktop && !Common.RunOnScrSaverDesktop)
                 {
                     if (package.Des == Common.MachineID || package.Des == ID.ALL)
@@ -304,7 +304,7 @@ internal static class Receiver
                 break;
 
             case PackageType.CaptureScreenCommand:
-                Common.PackageReceived.Clipboard++;
+                Package.PackageReceived.Clipboard++;
                 if (package.Des == Common.MachineID || package.Des == ID.ALL)
                 {
                     Common.SendImage(package.Src, Common.CaptureScreen());
@@ -313,7 +313,7 @@ internal static class Receiver
                 break;
 
             case PackageType.ClipboardAsk:
-                Common.PackageReceived.ClipboardAsk++;
+                Package.PackageReceived.ClipboardAsk++;
 
                 if (package.Des == Common.MachineID)
                 {
@@ -344,17 +344,17 @@ internal static class Receiver
                 break;
 
             case PackageType.ClipboardDragDrop:
-                Common.PackageReceived.ClipboardDragDrop++;
+                Package.PackageReceived.ClipboardDragDrop++;
                 DragDrop.DragDropStep08(package);
                 break;
 
             case PackageType.ClipboardDragDropOperation:
-                Common.PackageReceived.ClipboardDragDrop++;
+                Package.PackageReceived.ClipboardDragDrop++;
                 DragDrop.DragDropStep08_2(package);
                 break;
 
             case PackageType.ClipboardDragDropEnd:
-                Common.PackageReceived.ClipboardDragDropEnd++;
+                Package.PackageReceived.ClipboardDragDropEnd++;
                 DragDrop.DragDropStep12();
                 break;
 
@@ -363,11 +363,11 @@ internal static class Receiver
                 Clipboard.clipboardCopiedTime = 0;
                 if (package.Type == PackageType.ClipboardImage)
                 {
-                    Common.PackageReceived.ClipboardImage++;
+                    Package.PackageReceived.ClipboardImage++;
                 }
                 else
                 {
-                    Common.PackageReceived.ClipboardText++;
+                    Package.PackageReceived.ClipboardText++;
                 }
 
                 if (tcp != null)
@@ -390,7 +390,7 @@ internal static class Receiver
             default:
                 if ((package.Type & PackageType.Matrix) == PackageType.Matrix)
                 {
-                    Common.PackageReceived.Matrix++;
+                    Package.PackageReceived.Matrix++;
                     MachineStuff.UpdateMachineMatrix(package);
                     break;
                 }

src/modules/MouseWithoutBorders/App/Core/ShutdownWithPowerToys.cs

@@ -0,0 +1,29 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+
+using ManagedCommon;
+using Microsoft.PowerToys.Telemetry;
+
+namespace MouseWithoutBorders.Core;
+
+internal static class ShutdownWithPowerToys
+{
+    internal static void WaitForPowerToysRunner(ETWTrace etwTrace)
+    {
+        try
+        {
+            RunnerHelper.WaitForPowerToysRunnerExitFallback(() =>
+                {
+                    etwTrace?.Dispose();
+                    Common.MainForm.Quit(true, false);
+                });
+        }
+        catch (Exception e)
+        {
+            Logger.Log(e);
+        }
+    }
+}

src/modules/MouseWithoutBorders/App/Core/VK.cs

@@ -0,0 +1,88 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+// <summary>
+//     Virtual key constants.
+// </summary>
+// <history>
+//     2008 created by Truong Do (ductdo).
+//     2009-... modified by Truong Do (TruongDo).
+//     2023- Included in PowerToys.
+// </history>
+namespace MouseWithoutBorders.Core;
+
+internal enum VK : ushort
+{
+    CAPITAL = 0x14,
+    NUMLOCK = 0x90,
+    SHIFT = 0x10,
+    CONTROL = 0x11,
+    MENU = 0x12,
+    ESCAPE = 0x1B,
+    BACK = 0x08,
+    TAB = 0x09,
+    RETURN = 0x0D,
+    PRIOR = 0x21,
+    NEXT = 0x22,
+    END = 0x23,
+    HOME = 0x24,
+    LEFT = 0x25,
+    UP = 0x26,
+    RIGHT = 0x27,
+    DOWN = 0x28,
+    SELECT = 0x29,
+    PRINT = 0x2A,
+    EXECUTE = 0x2B,
+    SNAPSHOT = 0x2C,
+    INSERT = 0x2D,
+    DELETE = 0x2E,
+    HELP = 0x2F,
+    NUMPAD0 = 0x60,
+    NUMPAD1 = 0x61,
+    NUMPAD2 = 0x62,
+    NUMPAD3 = 0x63,
+    NUMPAD4 = 0x64,
+    NUMPAD5 = 0x65,
+    NUMPAD6 = 0x66,
+    NUMPAD7 = 0x67,
+    NUMPAD8 = 0x68,
+    NUMPAD9 = 0x69,
+    MULTIPLY = 0x6A,
+    ADD = 0x6B,
+    SEPARATOR = 0x6C,
+    SUBTRACT = 0x6D,
+    DECIMAL = 0x6E,
+    DIVIDE = 0x6F,
+    F1 = 0x70,
+    F2 = 0x71,
+    F3 = 0x72,
+    F4 = 0x73,
+    F5 = 0x74,
+    F6 = 0x75,
+    F7 = 0x76,
+    F8 = 0x77,
+    F9 = 0x78,
+    F10 = 0x79,
+    F11 = 0x7A,
+    F12 = 0x7B,
+    OEM_1 = 0xBA,
+    OEM_PLUS = 0xBB,
+    OEM_COMMA = 0xBC,
+    OEM_MINUS = 0xBD,
+    OEM_PERIOD = 0xBE,
+    OEM_2 = 0xBF,
+    OEM_3 = 0xC0,
+    MEDIA_NEXT_TRACK = 0xB0,
+    MEDIA_PREV_TRACK = 0xB1,
+    MEDIA_STOP = 0xB2,
+    MEDIA_PLAY_PAUSE = 0xB3,
+    LWIN = 0x5B,
+    RWIN = 0x5C,
+    LSHIFT = 0xA0,
+    RSHIFT = 0xA1,
+    LCONTROL = 0xA2,
+    RCONTROL = 0xA3,
+    LMENU = 0xA4,
+    RMENU = 0xA5,
+}

src/modules/MouseWithoutBorders/App/Core/WM.cs

@@ -0,0 +1,55 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+
+// <summary>
+//     Virtual key constants.
+// </summary>
+// <history>
+//     2008 created by Truong Do (ductdo).
+//     2009-... modified by Truong Do (TruongDo).
+//     2023- Included in PowerToys.
+// </history>
+namespace MouseWithoutBorders.Core;
+
+internal partial class WM
+{
+    internal const ushort KEYEVENTF_KEYDOWN = 0x0001;
+    internal const ushort KEYEVENTF_KEYUP = 0x0002;
+
+    internal const int WH_MOUSE = 7;
+    internal const int WH_KEYBOARD = 2;
+    internal const int WH_MOUSE_LL = 14;
+    internal const int WH_KEYBOARD_LL = 13;
+
+    internal const int WM_MOUSEMOVE = 0x200;
+    internal const int WM_LBUTTONDOWN = 0x201;
+    internal const int WM_RBUTTONDOWN = 0x204;
+    internal const int WM_MBUTTONDOWN = 0x207;
+    internal const int WM_XBUTTONDOWN = 0x20B;
+    internal const int WM_LBUTTONUP = 0x202;
+    internal const int WM_RBUTTONUP = 0x205;
+    internal const int WM_MBUTTONUP = 0x208;
+    internal const int WM_XBUTTONUP = 0x20C;
+    internal const int WM_LBUTTONDBLCLK = 0x203;
+    internal const int WM_RBUTTONDBLCLK = 0x206;
+    internal const int WM_MBUTTONDBLCLK = 0x209;
+    internal const int WM_MOUSEWHEEL = 0x020A;
+    internal const int WM_MOUSEHWHEEL = 0x020E;
+
+    internal const int WM_KEYDOWN = 0x100;
+    internal const int WM_KEYUP = 0x101;
+    internal const int WM_SYSKEYDOWN = 0x104;
+    internal const int WM_SYSKEYUP = 0x105;
+
+    [Flags]
+    internal enum LLKHF
+    {
+        EXTENDED = 0x01,
+        INJECTED = 0x10,
+        ALTDOWN = 0x20,
+        UP = 0x80,
+    }
+}

src/modules/MouseWithoutBorders/App/Core/WinAPI.cs

@@ -0,0 +1,359 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Drawing;
+using System.Globalization;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Threading;
+using System.Windows.Forms;
+
+using MouseWithoutBorders.Class;
+
+// <summary>
+//     Screen/Desktop helper functions.
+// </summary>
+// <history>
+//     2008 created by Truong Do (ductdo).
+//     2009-... modified by Truong Do (TruongDo).
+//     2023- Included in PowerToys.
+// </history>
+namespace MouseWithoutBorders.Core;
+
+// Desktops, and GetScreenConfig routines
+internal static class WinAPI
+{
+    private static MyRectangle newDesktopBounds;
+    private static MyRectangle newPrimaryScreenBounds;
+    private static string activeDesktop;
+
+    private static string ActiveDesktop => WinAPI.activeDesktop;
+
+    internal static void SystemEvents_DisplaySettingsChanged(object sender, EventArgs e)
+    {
+        GetScreenConfig();
+    }
+
+    internal static readonly List<Point> SensitivePoints = new();
+
+    private static bool MonitorEnumProc(IntPtr hMonitor, IntPtr hdcMonitor, ref NativeMethods.RECT lprcMonitor, IntPtr dwData)
+    {
+        // lprcMonitor is wrong!!! => using GetMonitorInfo(...)
+        // Log(String.Format( CultureInfo.CurrentCulture,"MONITOR: l{0}, t{1}, r{2}, b{3}", lprcMonitor.Left, lprcMonitor.Top, lprcMonitor.Right, lprcMonitor.Bottom));
+        NativeMethods.MonitorInfoEx mi = default;
+        mi.cbSize = Marshal.SizeOf(mi);
+        _ = NativeMethods.GetMonitorInfo(hMonitor, ref mi);
+
+        try
+        {
+            // For logging only
+            _ = NativeMethods.GetDpiForMonitor(hMonitor, 0, out uint dpiX, out uint dpiY);
+            Logger.Log(string.Format(CultureInfo.CurrentCulture, "MONITOR: ({0}, {1}, {2}, {3}). DPI: ({4}, {5})", mi.rcMonitor.Left, mi.rcMonitor.Top, mi.rcMonitor.Right, mi.rcMonitor.Bottom, dpiX, dpiY));
+        }
+        catch (DllNotFoundException)
+        {
+            Logger.Log("GetDpiForMonitor is unsupported in Windows 7 and lower.");
+        }
+        catch (EntryPointNotFoundException)
+        {
+            Logger.Log("GetDpiForMonitor is unsupported in Windows 7 and lower.");
+        }
+        catch (Exception e)
+        {
+            Logger.Log(e);
+        }
+
+        if (mi.rcMonitor.Left == 0 && mi.rcMonitor.Top == 0 && mi.rcMonitor.Right != 0 && mi.rcMonitor.Bottom != 0)
+        {
+            // Primary screen
+            _ = Interlocked.Exchange(ref Common.screenWidth, mi.rcMonitor.Right - mi.rcMonitor.Left);
+            _ = Interlocked.Exchange(ref Common.screenHeight, mi.rcMonitor.Bottom - mi.rcMonitor.Top);
+
+            newPrimaryScreenBounds.Left = mi.rcMonitor.Left;
+            newPrimaryScreenBounds.Top = mi.rcMonitor.Top;
+            newPrimaryScreenBounds.Right = mi.rcMonitor.Right;
+            newPrimaryScreenBounds.Bottom = mi.rcMonitor.Bottom;
+        }
+        else
+        {
+            if (mi.rcMonitor.Left < newDesktopBounds.Left)
+            {
+                newDesktopBounds.Left = mi.rcMonitor.Left;
+            }
+
+            if (mi.rcMonitor.Top < newDesktopBounds.Top)
+            {
+                newDesktopBounds.Top = mi.rcMonitor.Top;
+            }
+
+            if (mi.rcMonitor.Right > newDesktopBounds.Right)
+            {
+                newDesktopBounds.Right = mi.rcMonitor.Right;
+            }
+
+            if (mi.rcMonitor.Bottom > newDesktopBounds.Bottom)
+            {
+                newDesktopBounds.Bottom = mi.rcMonitor.Bottom;
+            }
+        }
+
+        lock (SensitivePoints)
+        {
+            SensitivePoints.Add(new Point(mi.rcMonitor.Left, mi.rcMonitor.Top));
+            SensitivePoints.Add(new Point(mi.rcMonitor.Right, mi.rcMonitor.Top));
+            SensitivePoints.Add(new Point(mi.rcMonitor.Right, mi.rcMonitor.Bottom));
+            SensitivePoints.Add(new Point(mi.rcMonitor.Left, mi.rcMonitor.Bottom));
+        }
+
+        return true;
+    }
+
+    internal static void GetScreenConfig()
+    {
+        try
+        {
+            Logger.LogDebug("==================== GetScreenConfig started");
+            newDesktopBounds = new MyRectangle();
+            newPrimaryScreenBounds = new MyRectangle();
+            newDesktopBounds.Left = newPrimaryScreenBounds.Left = Screen.PrimaryScreen.Bounds.Left;
+            newDesktopBounds.Top = newPrimaryScreenBounds.Top = Screen.PrimaryScreen.Bounds.Top;
+            newDesktopBounds.Right = newPrimaryScreenBounds.Right = Screen.PrimaryScreen.Bounds.Right;
+            newDesktopBounds.Bottom = newPrimaryScreenBounds.Bottom = Screen.PrimaryScreen.Bounds.Bottom;
+
+            Logger.Log(string.Format(
+                CultureInfo.CurrentCulture,
+                "logon = {0} PrimaryScreenBounds = {1},{2},{3},{4} desktopBounds = {5},{6},{7},{8}",
+                Common.RunOnLogonDesktop,
+                WinAPI.newPrimaryScreenBounds.Left,
+                WinAPI.newPrimaryScreenBounds.Top,
+                WinAPI.newPrimaryScreenBounds.Right,
+                WinAPI.newPrimaryScreenBounds.Bottom,
+                WinAPI.newDesktopBounds.Left,
+                WinAPI.newDesktopBounds.Top,
+                WinAPI.newDesktopBounds.Right,
+                WinAPI.newDesktopBounds.Bottom));
+
+#if USE_MANAGED_ROUTINES
+            // Managed routines do not work well when running on secure desktop:(
+            screenWidth = Screen.PrimaryScreen.Bounds.Width;
+            screenHeight = Screen.PrimaryScreen.Bounds.Height;
+            screenCount = Screen.AllScreens.Length;
+            for (int i = 0; i < Screen.AllScreens.Length; i++)
+            {
+                if (Screen.AllScreens[i].Bounds.Left < desktopBounds.Left) desktopBounds.Left = Screen.AllScreens[i].Bounds.Left;
+                if (Screen.AllScreens[i].Bounds.Top < desktopBounds.Top) desktopBounds.Top = Screen.AllScreens[i].Bounds.Top;
+                if (Screen.AllScreens[i].Bounds.Right > desktopBounds.Right) desktopBounds.Right = Screen.AllScreens[i].Bounds.Right;
+                if (Screen.AllScreens[i].Bounds.Bottom > desktopBounds.Bottom) desktopBounds.Bottom = Screen.AllScreens[i].Bounds.Bottom;
+            }
+#else
+            lock (SensitivePoints)
+            {
+                SensitivePoints.Clear();
+            }
+
+            NativeMethods.EnumDisplayMonitors(IntPtr.Zero, IntPtr.Zero, MonitorEnumProc, IntPtr.Zero);
+
+            // 1000 calls to EnumDisplayMonitors cost a dozen of milliseconds
+#endif
+            Interlocked.Exchange(ref MachineStuff.desktopBounds, newDesktopBounds);
+            Interlocked.Exchange(ref MachineStuff.primaryScreenBounds, newPrimaryScreenBounds);
+
+            Logger.Log(string.Format(
+                CultureInfo.CurrentCulture,
+                "logon = {0} PrimaryScreenBounds = {1},{2},{3},{4} desktopBounds = {5},{6},{7},{8}",
+                Common.RunOnLogonDesktop,
+                MachineStuff.PrimaryScreenBounds.Left,
+                MachineStuff.PrimaryScreenBounds.Top,
+                MachineStuff.PrimaryScreenBounds.Right,
+                MachineStuff.PrimaryScreenBounds.Bottom,
+                MachineStuff.DesktopBounds.Left,
+                MachineStuff.DesktopBounds.Top,
+                MachineStuff.DesktopBounds.Right,
+                MachineStuff.DesktopBounds.Bottom));
+
+            Logger.Log("==================== GetScreenConfig ended");
+        }
+        catch (Exception e)
+        {
+            Logger.Log(e);
+        }
+    }
+
+#if USING_SCREEN_SAVER_ROUTINES
+            [DllImport("user32.dll", CharSet = CharSet.Auto)]
+    private static extern int PostMessage(IntPtr hWnd, int wMsg, int wParam, int lParam);
+
+    [DllImport("user32.dll", CharSet = CharSet.Auto)]
+    private static extern IntPtr OpenDesktop(string hDesktop, int Flags, bool Inherit, UInt32 DesiredAccess);
+
+    [DllImport("user32.dll", CharSet = CharSet.Auto)]
+    private static extern bool CloseDesktop(IntPtr hDesktop);
+
+    [DllImport("user32.dll", CharSet = CharSet.Auto)]
+    private static extern bool EnumDesktopWindows( IntPtr hDesktop, EnumDesktopWindowsProc callback, IntPtr lParam);
+
+    [DllImport("user32.dll", CharSet = CharSet.Auto)]
+    private static extern bool IsWindowVisible(IntPtr hWnd);
+
+    [DllImport("user32.dll", CharSet = CharSet.Auto)]
+    private static extern bool SystemParametersInfo(int uAction, int uParam, ref int pvParam, int flags);
+
+    private delegate bool EnumDesktopWindowsProc(IntPtr hDesktop, IntPtr lParam);
+    private const int WM_CLOSE = 16;
+    private const int SPI_GETSCREENSAVERRUNNING = 114;
+
+    internal static bool IsScreenSaverRunning()
+    {
+        int isRunning = 0;
+        SystemParametersInfo(SPI_GETSCREENSAVERRUNNING, 0,ref isRunning, 0);
+        return (isRunning != 0);
+    }
+
+    internal static void CloseScreenSaver()
+    {
+        IntPtr hDesktop = OpenDesktop("Screen-saver", 0, false, DESKTOP_READOBJECTS | DESKTOP_WRITEOBJECTS);
+        if (hDesktop != IntPtr.Zero)
+        {
+            LogDebug("Closing screen saver...");
+            EnumDesktopWindows(hDesktop, new EnumDesktopWindowsProc(CloseScreenSaverFunc), IntPtr.Zero);
+            CloseDesktop(hDesktop);
+        }
+    }
+
+    private static bool CloseScreenSaverFunc(IntPtr hWnd, IntPtr lParam)
+    {
+        if (IsWindowVisible(hWnd))
+        {
+            LogDebug("Posting WM_CLOSE to " + hWnd.ToString(CultureInfo.InvariantCulture));
+            PostMessage(hWnd, WM_CLOSE, 0, 0);
+        }
+        return true;
+    }
+#endif
+
+    internal static string GetMyDesktop()
+    {
+        byte[] arThreadDesktop = new byte[256];
+        IntPtr hD = NativeMethods.GetThreadDesktop(NativeMethods.GetCurrentThreadId());
+        if (hD != IntPtr.Zero)
+        {
+            _ = NativeMethods.GetUserObjectInformation(hD, NativeMethods.UOI_NAME, arThreadDesktop, arThreadDesktop.Length, out _);
+            return Common.GetString(arThreadDesktop).Replace("\0", string.Empty);
+        }
+
+        return string.Empty;
+    }
+
+    internal static string GetInputDesktop()
+    {
+        byte[] arInputDesktop = new byte[256];
+        IntPtr hD = NativeMethods.OpenInputDesktop(0, false, NativeMethods.DESKTOP_READOBJECTS);
+        if (hD != IntPtr.Zero)
+        {
+            _ = NativeMethods.GetUserObjectInformation(hD, NativeMethods.UOI_NAME, arInputDesktop, arInputDesktop.Length, out _);
+            return Common.GetString(arInputDesktop).Replace("\0", string.Empty);
+        }
+
+        return string.Empty;
+    }
+
+    private static void StartMMService(string desktopToRunMouseWithoutBordersOn)
+    {
+        if (!Common.RunWithNoAdminRight)
+        {
+            Logger.LogDebug("*** Starting on active Desktop: " + desktopToRunMouseWithoutBordersOn);
+            Service.StartMouseWithoutBordersService(desktopToRunMouseWithoutBordersOn);
+        }
+    }
+
+    internal static void CheckForDesktopSwitchEvent(bool cleanupIfExit)
+    {
+        try
+        {
+            if (!IsMyDesktopActive() || Common.CurrentProcess.SessionId != NativeMethods.WTSGetActiveConsoleSessionId())
+            {
+                Helper.RunDDHelper(true);
+                int waitCount = 20;
+
+                while (NativeMethods.WTSGetActiveConsoleSessionId() == 0xFFFFFFFF && waitCount > 0)
+                {
+                    waitCount--;
+                    Logger.LogDebug("The session is detached/attached.");
+                    Thread.Sleep(500);
+                }
+
+                string myDesktop = GetMyDesktop();
+                activeDesktop = GetInputDesktop();
+
+                Logger.LogDebug("*** Active Desktop = " + activeDesktop);
+                Logger.LogDebug("*** My Desktop = " + myDesktop);
+
+                if (myDesktop.Equals(activeDesktop, StringComparison.OrdinalIgnoreCase))
+                {
+                    Logger.LogDebug("*** Active Desktop == My Desktop (TS session)");
+                }
+
+                if (!activeDesktop.Equals("winlogon", StringComparison.OrdinalIgnoreCase) &&
+                    !activeDesktop.Equals("default", StringComparison.OrdinalIgnoreCase) &&
+                    !activeDesktop.Equals("disconnect", StringComparison.OrdinalIgnoreCase))
+                {
+                    try
+                    {
+                        StartMMService(activeDesktop);
+                    }
+                    catch (Exception e)
+                    {
+                        Logger.Log($"{nameof(CheckForDesktopSwitchEvent)}: {e}");
+                    }
+                }
+                else
+                {
+                    if (!myDesktop.Equals(activeDesktop, StringComparison.OrdinalIgnoreCase))
+                    {
+                        Logger.Log("*** Active Desktop <> My Desktop");
+                    }
+
+                    uint sid = NativeMethods.WTSGetActiveConsoleSessionId();
+
+                    if (Process.GetProcessesByName(Common.BinaryName).Any(p => (uint)p.SessionId == sid))
+                    {
+                        Logger.Log("Found MouseWithoutBorders on the active session!");
+                    }
+                    else
+                    {
+                        Logger.Log("MouseWithoutBorders not found on the active session!");
+                        StartMMService(null);
+                    }
+                }
+
+                if (!myDesktop.Equals("winlogon", StringComparison.OrdinalIgnoreCase) &&
+                    !myDesktop.Equals("default", StringComparison.OrdinalIgnoreCase))
+                {
+                    Logger.LogDebug("*** Desktop inactive, exiting: " + myDesktop);
+                    Setting.Values.LastX = Common.JUST_GOT_BACK_FROM_SCREEN_SAVER;
+                    if (cleanupIfExit)
+                    {
+                        InitAndCleanup.Cleanup();
+                    }
+
+                    Process.GetCurrentProcess().KillProcess();
+                }
+            }
+        }
+        catch (Exception e)
+        {
+            Logger.Log(e);
+        }
+    }
+
+    private static Point p;
+
+    internal static bool IsMyDesktopActive()
+    {
+        return NativeMethods.GetCursorPos(ref p);
+    }
+}

src/modules/MouseWithoutBorders/App/Form/Settings/SettingsFormPage.cs

@@ -42,7 +42,7 @@ namespace MouseWithoutBorders
 
         protected string GetSecureKey()
         {
-            return Common.MyKey;
+            return Encryption.MyKey;
         }
 
         private void BackButton_Click(object sender, EventArgs e)

src/modules/MouseWithoutBorders/App/Form/Settings/SetupPage2a.cs

@@ -89,8 +89,8 @@ namespace MouseWithoutBorders
         {
             if (GetSecureKey() != SecurityCodeField.Text)
             {
-                Common.MyKey = Regex.Replace(SecurityCodeField.Text, @"\s+", string.Empty);
-                SecurityCode = Common.MyKey;
+                Encryption.MyKey = Regex.Replace(SecurityCodeField.Text, @"\s+", string.Empty);
+                SecurityCode = Encryption.MyKey;
             }
 
             MachineStuff.MachineMatrix = new string[MachineStuff.MAX_MACHINE] { ComputerNameField.Text.Trim().ToUpper(CultureInfo.CurrentCulture), Common.MachineName.Trim(), string.Empty, string.Empty };

src/modules/MouseWithoutBorders/App/Form/frmMatrix.cs

@@ -135,7 +135,7 @@ namespace MouseWithoutBorders
         internal void UpdateKeyTextBox()
         {
             _ = Helper.GetUserName();
-            textBoxEnc.Text = Common.MyKey;
+            textBoxEnc.Text = Encryption.MyKey;
         }
 
         private void InitAll()
@@ -505,19 +505,19 @@ namespace MouseWithoutBorders
 
         private bool UpdateKey(string newKey)
         {
-            if (!Common.IsKeyValid(newKey, out string rv))
+            if (!Encryption.IsKeyValid(newKey, out string rv))
             {
                 ShowKeyErrorMsg(rv);
                 return false;
             }
 
-            if (!newKey.Equals(Common.MyKey, StringComparison.OrdinalIgnoreCase))
+            if (!newKey.Equals(Encryption.MyKey, StringComparison.OrdinalIgnoreCase))
             {
-                Common.MyKey = newKey;
-                Common.GeneratedKey = false;
+                Encryption.MyKey = newKey;
+                Encryption.GeneratedKey = false;
             }
 
-            Common.MagicNumber = Common.Get24BitHash(Common.MyKey);
+            Encryption.MagicNumber = Encryption.Get24BitHash(Encryption.MyKey);
             return true;
         }
 
@@ -1116,10 +1116,10 @@ namespace MouseWithoutBorders
 
             if (MessageBox.Show(message, Application.ProductName, MessageBoxButtons.YesNo, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2) == DialogResult.Yes)
             {
-                Setting.Values.MyKey = Common.MyKey = Common.CreateRandomKey();
-                textBoxEnc.Text = Common.MyKey;
+                Setting.Values.MyKey = Encryption.MyKey = Encryption.CreateRandomKey();
+                textBoxEnc.Text = Encryption.MyKey;
                 checkBoxShowKey.Checked = true;
-                Common.GeneratedKey = true;
+                Encryption.GeneratedKey = true;
                 ButtonOK_Click(null, null);
                 Common.ShowToolTip("New security key was generated, update other machines to the same key.", 10000, ToolTipIcon.Info, false);
             }

src/modules/MouseWithoutBorders/App/Form/frmScreen.cs

@@ -318,7 +318,7 @@ namespace MouseWithoutBorders
 
             try
             {
-                if (!Common.IsMyDesktopActive() || Common.CurrentProcess.SessionId != NativeMethods.WTSGetActiveConsoleSessionId())
+                if (!WinAPI.IsMyDesktopActive() || Common.CurrentProcess.SessionId != NativeMethods.WTSGetActiveConsoleSessionId())
                 {
                     myDesktopNotActive = true;
 
@@ -348,7 +348,7 @@ namespace MouseWithoutBorders
                             Common.Hook?.ResetLastSwitchKeys();
                         });
 
-                        Common.CheckForDesktopSwitchEvent(true);
+                        WinAPI.CheckForDesktopSwitchEvent(true);
                     }
                 }
                 else
@@ -369,21 +369,21 @@ namespace MouseWithoutBorders
                             if (myDesktopNotActive)
                             {
                                 myDesktopNotActive = false;
-                                Common.MyKey = Setting.Values.MyKey;
+                                Encryption.MyKey = Setting.Values.MyKey;
                             }
 
                             MachineStuff.UpdateMachinePoolStringSetting();
 
-                            if (!Common.RunOnLogonDesktop && !Common.RunOnScrSaverDesktop && (Setting.Values.FirstRun || Common.KeyCorrupted))
+                            if (!Common.RunOnLogonDesktop && !Common.RunOnScrSaverDesktop && (Setting.Values.FirstRun || Encryption.KeyCorrupted))
                             {
                                 if (!shownSetupFormOneTime)
                                 {
                                     shownSetupFormOneTime = true;
                                     MachineStuff.ShowMachineMatrix();
 
-                                    if (Common.KeyCorrupted && !Setting.Values.FirstRun)
+                                    if (Encryption.KeyCorrupted && !Setting.Values.FirstRun)
                                     {
-                                        Common.KeyCorrupted = false;
+                                        Encryption.KeyCorrupted = false;
                                         string msg = "The security key is corrupted for some reason, please re-setup.";
                                         MessageBox.Show(msg, Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Warning);
                                     }
@@ -490,9 +490,9 @@ namespace MouseWithoutBorders
 
                     if (count == 600)
                     {
-                        if (!Common.GeneratedKey)
+                        if (!Encryption.GeneratedKey)
                         {
-                            Common.MyKey = Setting.Values.MyKey;
+                            Encryption.MyKey = Setting.Values.MyKey;
 
                             if (!Common.RunOnLogonDesktop && !Common.RunOnScrSaverDesktop)
                             {
@@ -505,7 +505,7 @@ namespace MouseWithoutBorders
                                 Common.ShowToolTip("The security key must be auto generated in one of the machines.", 10000);
                             }
                         }
-                        else if (!Common.KeyCorrupted && !Common.RunOnLogonDesktop && !Common.RunOnScrSaverDesktop && !Setting.Values.FirstRun && Common.AtLeastOneSocketConnected())
+                        else if (!Encryption.KeyCorrupted && !Common.RunOnLogonDesktop && !Common.RunOnScrSaverDesktop && !Setting.Values.FirstRun && Common.AtLeastOneSocketConnected())
                         {
                             int myKeyDaysToExpire = Setting.Values.MyKeyDaysToExpire;
 
@@ -531,7 +531,7 @@ namespace MouseWithoutBorders
 #if SHOW_ON_WINLOGON
                     // if (Common.RunOnLogonDesktop) ShowMouseWithoutBordersUiOnWinLogonDesktop(false);
 #endif
-                    Common.CheckForDesktopSwitchEvent(true);
+                    WinAPI.CheckForDesktopSwitchEvent(true);
                     MachineStuff.UpdateClientSockets("helperTimer_Tick"); // Sockets may be closed by the remote host when both machines switch desktop at the same time.
                 }
 
@@ -582,7 +582,7 @@ namespace MouseWithoutBorders
 
                         int rv = 0;
 
-                        if (!Common.RunOnLogonDesktop && !Common.RunOnScrSaverDesktop && Common.IsMyDesktopActive() && (rv = Helper.SendMessageToHelper(0x400, IntPtr.Zero, IntPtr.Zero)) <= 0)
+                        if (!Common.RunOnLogonDesktop && !Common.RunOnScrSaverDesktop && WinAPI.IsMyDesktopActive() && (rv = Helper.SendMessageToHelper(0x400, IntPtr.Zero, IntPtr.Zero)) <= 0)
                         {
                             Logger.TelemetryLogTrace($"{Helper.HELPER_FORM_TEXT} not found: {rv}", SeverityLevel.Warning);
                         }

src/modules/MouseWithoutBorders/MouseWithoutBorders.UnitTests/Core/Logger.PrivateDump.expected.txt

@@ -46,79 +46,6 @@ avgSendTime = 0
 maxSendTime = 0
 totalSendCount = 0
 totalSendTime = 0
-magicNumber = 0
-ran = System.Random
---_impl = System.Random+XoshiroImpl
-----_s0 = ????????????
-----_s1 = ????????????
-----_s2 = ????????????
-----_s3 = ????????????
---<Shared>k__BackingField = System.Random+ThreadSafeRandom
-InitialIV = ????????????
-<GeneratedKey>k__BackingField = False
-<KeyCorrupted>k__BackingField = False
-LegalKeyDictionary = Concurrent.ConcurrentDictionary`2[System.String,System.Byte[]]
---_tables = Concurrent.ConcurrentDictionary`2+Tables[System.String,System.Byte[]]
-----_comparer = Generic.NonRandomizedStringEqualityComparer+OrdinalIgnoreCaseComparer
-----_buckets = Concurrent.ConcurrentDictionary`2+VolatileNode[System.String,System.Byte[]][]
-------System.Collections.Concurrent.ConcurrentDictionary`2+VolatileNode[System.String,System.Byte[]][] = Concurrent.ConcurrentDictionary`2+VolatileNode[System.String,System.Byte[]][]: N/A
-----_fastModBucketsMultiplier = 498560650640798693
-----_locks = O[]
-------System.Object[] = O[]: N/A
-----_countPerLock = 32[]
-------[0] = 0
-------[1] = 0
-------[2] = 0
-------[3] = 0
-------[4] = 0
-------[5] = 0
-------[6] = 0
-------[7] = 0
---_budget = ????????????
---_growLockArray = True
---_comparerIsDefaultForClasses = False
-PackageSent = MouseWithoutBorders.PackageMonitor
---Keyboard = 0
---Mouse = 0
---Heartbeat = 0
---ByeBye = 0
---Hello = 0
---Matrix = 0
---ClipboardText = 0
---ClipboardImage = 0
---Clipboard = 0
---ClipboardDragDrop = 0
---ClipboardDragDropEnd = 0
---ClipboardAsk = 0
---ExplorerDragDrop = 0
---Nil = 0
-PackageReceived = MouseWithoutBorders.PackageMonitor
---Keyboard = 0
---Mouse = 0
---Heartbeat = 0
---ByeBye = 0
---Hello = 0
---Matrix = 0
---ClipboardText = 0
---ClipboardImage = 0
---Clipboard = 0
---ClipboardDragDrop = 0
---ClipboardDragDropEnd = 0
---ClipboardAsk = 0
---ExplorerDragDrop = 0
---Nil = 0
-PackageID = 0
-SensitivePoints = Generic.List`1[Point]
---_items = Point[]
-----System.Drawing.Point[] = Point[]: N/A
---_size = 0
---_version = 0
---s_emptyArray = Point[]
-----System.Drawing.Point[] = Point[]: N/A
-p = {X=0,Y=0}
---x = 0
---y = 0
---Empty = {X=0,Y=0}
 <IpcChannelCreated>k__BackingField = False
 TOGGLE_ICONS_SIZE = 4
 ICON_ONE = 0
@@ -128,34 +55,6 @@ ICON_BIG_CLIPBOARD = 3
 ICON_ERROR = 4
 JUST_GOT_BACK_FROM_SCREEN_SAVER = 9999
 NETWORK_STREAM_BUF_SIZE = 1048576
-SymAlBlockSize = 16
-PW_LENGTH = 16
-PACKAGE_SIZE = 32
-PACKAGE_SIZE_EX = 64
-WP_PACKAGE_SIZE = 6
-KEYEVENTF_KEYDOWN = 1
-KEYEVENTF_KEYUP = 2
-WH_MOUSE = 7
-WH_KEYBOARD = 2
-WH_MOUSE_LL = 14
-WH_KEYBOARD_LL = 13
-WM_MOUSEMOVE = 512
-WM_LBUTTONDOWN = 513
-WM_RBUTTONDOWN = 516
-WM_MBUTTONDOWN = 519
-WM_XBUTTONDOWN = 523
-WM_LBUTTONUP = 514
-WM_RBUTTONUP = 517
-WM_MBUTTONUP = 520
-WM_XBUTTONUP = 524
-WM_LBUTTONDBLCLK = 515
-WM_RBUTTONDBLCLK = 518
-WM_MBUTTONDBLCLK = 521
-WM_MOUSEWHEEL = 522
-WM_KEYDOWN = 256
-WM_KEYUP = 257
-WM_SYSKEYDOWN = 260
-WM_SYSKEYUP = 261
 [Clipboard]
 ===============
 Comma = System.Char[]
@@ -193,16 +92,51 @@ dragDropStep05ExCalledByIpc = 0
 isDropping = False
 dragMachine = NONE
 <MouseDown>k__BackingField = False
+[Encryption]
+===============
+magicNumber = 0
+ran = System.Random
+--_impl = System.Random+XoshiroImpl
+----_s0 = ????????????
+----_s1 = ????????????
+----_s2 = ????????????
+----_s3 = ????????????
+--<Shared>k__BackingField = System.Random+ThreadSafeRandom
+InitialIV = ????????????
+<GeneratedKey>k__BackingField = False
+<KeyCorrupted>k__BackingField = False
+LegalKeyDictionary = Concurrent.ConcurrentDictionary`2[System.String,System.Byte[]]
+--_tables = Concurrent.ConcurrentDictionary`2+Tables[System.String,System.Byte[]]
+----_comparer = Generic.NonRandomizedStringEqualityComparer+OrdinalIgnoreCaseComparer
+----_buckets = Concurrent.ConcurrentDictionary`2+VolatileNode[System.String,System.Byte[]][]
+------System.Collections.Concurrent.ConcurrentDictionary`2+VolatileNode[System.String,System.Byte[]][] = Concurrent.ConcurrentDictionary`2+VolatileNode[System.String,System.Byte[]][]: N/A
+----_fastModBucketsMultiplier = 498560650640798693
+----_locks = O[]
+------System.Object[] = O[]: N/A
+----_countPerLock = 32[]
+------[0] = 0
+------[1] = 0
+------[2] = 0
+------[3] = 0
+------[4] = 0
+------[5] = 0
+------[6] = 0
+------[7] = 0
+--_budget = ????????????
+--_growLockArray = True
+--_comparerIsDefaultForClasses = False
+SymAlBlockSize = 16
+PW_LENGTH = 16
 [Event]
 ===============
-KeybdPackage = MouseWithoutBorders.DATA
+KeybdPackage = MouseWithoutBorders.Core.DATA
 --Type = 0
 --Id = 0
 --Src = NONE
 --Des = NONE
 --DateTime = 0
---Kd = MouseWithoutBorders.KEYBDDATA
---Md = MouseWithoutBorders.MOUSEDATA
+--Kd = MouseWithoutBorders.Core.KEYBDDATA
+--Md = MouseWithoutBorders.Core.MOUSEDATA
 --Machine1 = NONE
 --Machine2 = NONE
 --Machine3 = NONE
@@ -212,14 +146,14 @@ KeybdPackage = MouseWithoutBorders.DATA
 --machineNameP2 = 0
 --machineNameP3 = 0
 --machineNameP4 = 0
-MousePackage = MouseWithoutBorders.DATA
+MousePackage = MouseWithoutBorders.Core.DATA
 --Type = 0
 --Id = 0
 --Src = NONE
 --Des = NONE
 --DateTime = 0
---Kd = MouseWithoutBorders.KEYBDDATA
---Md = MouseWithoutBorders.MOUSEDATA
+--Kd = MouseWithoutBorders.Core.KEYBDDATA
+--Md = MouseWithoutBorders.Core.MOUSEDATA
 --Machine1 = NONE
 --Machine2 = NONE
 --Machine3 = NONE
@@ -296,7 +230,7 @@ LogCounter = Concurrent.ConcurrentDictionary`2[System.String,32]
 allLogsIndex = 0
 lastHour = 0
 exceptionCount = 0
-lastPackageSent = MouseWithoutBorders.PackageMonitor
+lastPackageSent = MouseWithoutBorders.Core.PackageMonitor
 --Keyboard = 0
 --Mouse = 0
 --Heartbeat = 0
@@ -311,7 +245,7 @@ lastPackageSent = MouseWithoutBorders.PackageMonitor
 --ClipboardAsk = 0
 --ExplorerDragDrop = 0
 --Nil = 0
-lastPackageReceived = MouseWithoutBorders.PackageMonitor
+lastPackageReceived = MouseWithoutBorders.Core.PackageMonitor
 --Keyboard = 0
 --Mouse = 0
 --Heartbeat = 0
@@ -366,6 +300,42 @@ MAX_SOCKET = 8
 HEARTBEAT_TIMEOUT = 1500000
 SKIP_PIXELS = 1
 JUMP_PIXELS = 2
+[Package]
+===============
+PackageSent = MouseWithoutBorders.Core.PackageMonitor
+--Keyboard = 0
+--Mouse = 0
+--Heartbeat = 0
+--ByeBye = 0
+--Hello = 0
+--Matrix = 0
+--ClipboardText = 0
+--ClipboardImage = 0
+--Clipboard = 0
+--ClipboardDragDrop = 0
+--ClipboardDragDropEnd = 0
+--ClipboardAsk = 0
+--ExplorerDragDrop = 0
+--Nil = 0
+PackageReceived = MouseWithoutBorders.Core.PackageMonitor
+--Keyboard = 0
+--Mouse = 0
+--Heartbeat = 0
+--ByeBye = 0
+--Hello = 0
+--Matrix = 0
+--ClipboardText = 0
+--ClipboardImage = 0
+--Clipboard = 0
+--ClipboardDragDrop = 0
+--ClipboardDragDropEnd = 0
+--ClipboardAsk = 0
+--ExplorerDragDrop = 0
+--Nil = 0
+PackageID = 0
+PACKAGE_SIZE = 32
+PACKAGE_SIZE_EX = 64
+WP_PACKAGE_SIZE = 6
 [Receiver]
 ===============
 QUEUE_SIZE = 50
@@ -436,3 +406,41 @@ lastStartServiceTime = ????????????
 --MinValue = 01/01/0001 00:00:00
 --MaxValue = 31/12/9999 23:59:59
 --UnixEpoch = 01/01/1970 00:00:00
+[WinAPI]
+===============
+SensitivePoints = Generic.List`1[Point]
+--_items = Point[]
+----System.Drawing.Point[] = Point[]: N/A
+--_size = 0
+--_version = 0
+--s_emptyArray = Point[]
+----System.Drawing.Point[] = Point[]: N/A
+p = {X=0,Y=0}
+--x = 0
+--y = 0
+--Empty = {X=0,Y=0}
+[WM]
+===============
+KEYEVENTF_KEYDOWN = 1
+KEYEVENTF_KEYUP = 2
+WH_MOUSE = 7
+WH_KEYBOARD = 2
+WH_MOUSE_LL = 14
+WH_KEYBOARD_LL = 13
+WM_MOUSEMOVE = 512
+WM_LBUTTONDOWN = 513
+WM_RBUTTONDOWN = 516
+WM_MBUTTONDOWN = 519
+WM_XBUTTONDOWN = 523
+WM_LBUTTONUP = 514
+WM_RBUTTONUP = 517
+WM_MBUTTONUP = 520
+WM_XBUTTONUP = 524
+WM_LBUTTONDBLCLK = 515
+WM_RBUTTONDBLCLK = 518
+WM_MBUTTONDBLCLK = 521
+WM_MOUSEWHEEL = 522
+WM_KEYDOWN = 256
+WM_KEYUP = 257
+WM_SYSKEYDOWN = 260
+WM_SYSKEYUP = 261

src/modules/cmdpal/Microsoft.CmdPal.UI.ViewModels/Commands/MainListPage.cs

@@ -161,7 +161,7 @@ public partial class MainListPage : DynamicListPage,
             {
                 return _tlcManager
                     .TopLevelCommands
-                    .Where(tlc => !string.IsNullOrEmpty(tlc.Title))
+                    .Where(tlc => !tlc.IsFallback && !string.IsNullOrEmpty(tlc.Title))
                     .ToArray();
             }
         }

src/modules/cmdpal/Microsoft.CmdPal.UI/App.xaml.cs

@@ -135,8 +135,9 @@ public partial class App : Application
         try
         {
             var winget = new WinGetExtensionCommandsProvider();
-            var callback = allApps.LookupApp;
-            winget.SetAllLookup(callback);
+            winget.SetAllLookup(
+                query => allApps.LookupAppByPackageFamilyName(query, requireSingleMatch: true),
+                query => allApps.LookupAppByProductCode(query, requireSingleMatch: true));
             services.AddSingleton<ICommandProvider>(winget);
         }
         catch (Exception ex)

src/modules/cmdpal/Microsoft.CmdPal.UI/Settings/SettingsWindow.xaml

@@ -20,13 +20,15 @@
     <winuiex:WindowEx.SystemBackdrop>
         <MicaBackdrop />
     </winuiex:WindowEx.SystemBackdrop>
-    <Grid>
+    <Grid x:Name="RootElement">
         <Grid.RowDefinitions>
             <RowDefinition Height="Auto" />
             <RowDefinition Height="*" />
         </Grid.RowDefinitions>
         <TitleBar
             x:Name="AppTitleBar"
+            BackRequested="TitleBar_BackRequested"
+            IsBackButtonVisible="{x:Bind NavFrame.CanGoBack, Mode=OneWay}"
             IsTabStop="False"
             PaneToggleRequested="AppTitleBar_PaneToggleRequested">
             <!--  This is a workaround for https://github.com/microsoft/microsoft-ui-xaml/issues/10374, once fixed we should just be using IconSource  -->
@@ -56,10 +58,12 @@
             </NavigationView.Resources>
             <NavigationView.MenuItems>
                 <NavigationViewItem
+                    x:Name="GeneralPageNavItem"
                     x:Uid="Settings_GeneralPage_NavigationViewItem_General"
                     Icon="{ui:FontIcon Glyph=&#xE80F;}"
                     Tag="General" />
                 <NavigationViewItem
+                    x:Name="ExtensionPageNavItem"
                     x:Uid="Settings_GeneralPage_NavigationViewItem_Extensions"
                     Icon="{ui:FontIcon Glyph=&#xEA86;}"
                     Tag="Extensions" />
@@ -90,7 +94,10 @@
                         </BreadcrumbBar.Resources>
                     </BreadcrumbBar>
                 </Grid>
-                <Frame x:Name="NavFrame" Grid.Row="1" />
+                <Frame
+                    x:Name="NavFrame"
+                    Grid.Row="1"
+                    Navigated="NavFrame_OnNavigated" />
             </Grid>
         </NavigationView>
     </Grid>

src/modules/cmdpal/Microsoft.CmdPal.UI/Settings/SettingsWindow.xaml.cs

@@ -4,14 +4,19 @@
 
 using System.Collections.ObjectModel;
 using CommunityToolkit.Mvvm.Messaging;
+using ManagedCommon;
 using Microsoft.CmdPal.UI.Helpers;
 using Microsoft.CmdPal.UI.Messages;
 using Microsoft.CmdPal.UI.ViewModels;
 using Microsoft.CmdPal.UI.ViewModels.Messages;
+using Microsoft.UI.Input;
 using Microsoft.UI.Windowing;
 using Microsoft.UI.Xaml;
-using Microsoft.UI.Xaml.Automation.Peers;
 using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Input;
+using Microsoft.UI.Xaml.Navigation;
+using Windows.System;
+using Windows.UI.Core;
 using WinUIEx;
 using RS_ = Microsoft.CmdPal.UI.Helpers.ResourceLoaderInstance;
 using TitleBar = Microsoft.UI.Xaml.Controls.TitleBar;
@@ -19,9 +24,12 @@ using TitleBar = Microsoft.UI.Xaml.Controls.TitleBar;
 namespace Microsoft.CmdPal.UI.Settings;
 
 public sealed partial class SettingsWindow : WindowEx,
+    IDisposable,
     IRecipient<NavigateToExtensionSettingsMessage>,
     IRecipient<QuitMessage>
 {
+    private readonly LocalKeyboardListener _localKeyboardListener;
+
     public ObservableCollection<Crumb> BreadCrumbs { get; } = [];
 
     // Gets or sets optional action invoked after NavigationView is loaded.
@@ -40,6 +48,17 @@ public sealed partial class SettingsWindow : WindowEx,
 
         WeakReferenceMessenger.Default.Register<NavigateToExtensionSettingsMessage>(this);
         WeakReferenceMessenger.Default.Register<QuitMessage>(this);
+
+        _localKeyboardListener = new LocalKeyboardListener();
+        _localKeyboardListener.KeyPressed += LocalKeyboardListener_OnKeyPressed;
+        _localKeyboardListener.Start();
+        Closed += SettingsWindow_Closed;
+        RootElement.AddHandler(UIElement.PointerPressedEvent, new PointerEventHandler(RootElement_OnPointerPressed), true);
+    }
+
+    private void SettingsWindow_Closed(object sender, WindowEventArgs args)
+    {
+        Dispose();
     }
 
     // Handles NavigationView loaded event.
@@ -85,10 +104,9 @@ public sealed partial class SettingsWindow : WindowEx,
             "Extensions" => typeof(ExtensionsPage),
             _ => null,
         };
+
         if (pageType is not null)
         {
-            BreadCrumbs.Clear();
-            BreadCrumbs.Add(new(page, page));
             NavFrame.Navigate(pageType);
         }
     }
@@ -96,7 +114,6 @@ public sealed partial class SettingsWindow : WindowEx,
     private void Navigate(ProviderSettingsViewModel extension)
     {
         NavFrame.Navigate(typeof(ExtensionPage), extension);
-        BreadCrumbs.Add(new(extension.DisplayName, string.Empty));
     }
 
     private void PositionCentered()
@@ -127,9 +144,9 @@ public sealed partial class SettingsWindow : WindowEx,
         }
     }
 
-    private void Window_Activated(object sender, WindowActivatedEventArgs args)
+    private void Window_Activated(object sender, Microsoft.UI.Xaml.WindowActivatedEventArgs args)
     {
-        WeakReferenceMessenger.Default.Send<WindowActivatedEventArgs>(args);
+        WeakReferenceMessenger.Default.Send<Microsoft.UI.Xaml.WindowActivatedEventArgs>(args);
     }
 
     private void Window_Closed(object sender, WindowEventArgs args)
@@ -141,7 +158,7 @@ public sealed partial class SettingsWindow : WindowEx,
 
     private void NavView_DisplayModeChanged(NavigationView sender, NavigationViewDisplayModeChangedEventArgs args)
     {
-        if (args.DisplayMode == NavigationViewDisplayMode.Compact || args.DisplayMode == NavigationViewDisplayMode.Minimal)
+        if (args.DisplayMode is NavigationViewDisplayMode.Compact or NavigationViewDisplayMode.Minimal)
         {
             AppTitleBar.IsPaneToggleButtonVisible = true;
             WorkAroundIcon.Margin = new Thickness(8, 0, 16, 0); // Required for workaround, see XAML comment
@@ -149,7 +166,7 @@ public sealed partial class SettingsWindow : WindowEx,
         else
         {
             AppTitleBar.IsPaneToggleButtonVisible = false;
-            WorkAroundIcon.Margin = new Thickness(16, 0, 0, 0); // Required for workaround, see XAML comment
+            WorkAroundIcon.Margin = new Thickness(16, 0, 8, 0); // Required for workaround, see XAML comment
         }
     }
 
@@ -163,6 +180,93 @@ public sealed partial class SettingsWindow : WindowEx,
     {
         NavView.IsPaneOpen = !NavView.IsPaneOpen;
     }
+
+    private void TryGoBack()
+    {
+        if (NavFrame.CanGoBack)
+        {
+            NavFrame.GoBack();
+        }
+    }
+
+    private void TitleBar_BackRequested(TitleBar sender, object args)
+    {
+        TryGoBack();
+    }
+
+    private void LocalKeyboardListener_OnKeyPressed(object? sender, LocalKeyboardListenerKeyPressedEventArgs e)
+    {
+        switch (e.Key)
+        {
+            case VirtualKey.GoBack:
+            case VirtualKey.XButton1:
+                TryGoBack();
+                break;
+
+            case VirtualKey.Left:
+                var altPressed = InputKeyboardSource.GetKeyStateForCurrentThread(VirtualKey.Menu).HasFlag(CoreVirtualKeyStates.Down);
+                if (altPressed)
+                {
+                    TryGoBack();
+                }
+
+                break;
+        }
+    }
+
+    private void RootElement_OnPointerPressed(object sender, PointerRoutedEventArgs e)
+    {
+        try
+        {
+            if (e.Pointer.PointerDeviceType == PointerDeviceType.Mouse)
+            {
+                var ptrPt = e.GetCurrentPoint(RootElement);
+                if (ptrPt.Properties.IsXButton1Pressed)
+                {
+                    TryGoBack();
+                }
+            }
+        }
+        catch (Exception ex)
+        {
+            Logger.LogError("Error handling mouse button press event", ex);
+        }
+    }
+
+    public void Dispose()
+    {
+        _localKeyboardListener?.Dispose();
+    }
+
+    private void NavFrame_OnNavigated(object sender, NavigationEventArgs e)
+    {
+        BreadCrumbs.Clear();
+
+        if (e.SourcePageType == typeof(GeneralPage))
+        {
+            NavView.SelectedItem = GeneralPageNavItem;
+            var pageType = RS_.GetString("Settings_PageTitles_GeneralPage");
+            BreadCrumbs.Add(new(pageType, pageType));
+        }
+        else if (e.SourcePageType == typeof(ExtensionsPage))
+        {
+            NavView.SelectedItem = ExtensionPageNavItem;
+            var pageType = RS_.GetString("Settings_PageTitles_ExtensionsPage");
+            BreadCrumbs.Add(new(pageType, pageType));
+        }
+        else if (e.SourcePageType == typeof(ExtensionPage) && e.Parameter is ProviderSettingsViewModel vm)
+        {
+            NavView.SelectedItem = ExtensionPageNavItem;
+            var extensionsPageType = RS_.GetString("Settings_PageTitles_ExtensionsPage");
+            BreadCrumbs.Add(new(extensionsPageType, extensionsPageType));
+            BreadCrumbs.Add(new(vm.DisplayName, vm));
+        }
+        else
+        {
+            BreadCrumbs.Add(new($"[{e.SourcePageType?.Name}]", string.Empty));
+            Logger.LogError($"Unknown breadcrumb for page type '{e.SourcePageType}'");
+        }
+    }
 }
 
 public readonly struct Crumb

src/modules/cmdpal/Microsoft.CmdPal.UI/Strings/en-us/Resources.resw

@@ -550,4 +550,10 @@ Right-click to remove the key combination, thereby deactivating the shortcut.</v
   <data name="Settings_GeneralPage_AutoGoHome_SettingsCard.Description" xml:space="preserve">
     <value>Automatically returns to home page after a period of inactivity when Command Palette is closed</value>
   </data>
+  <data name="Settings_PageTitles_GeneralPage" xml:space="preserve">
+    <value>General</value>
+  </data>
+  <data name="Settings_PageTitles_ExtensionsPage" xml:space="preserve">
+    <value>Extensions</value>
+  </data>
 </root>

src/modules/cmdpal/Tests/Microsoft.CmdPal.Ext.Apps.UnitTests/AllAppsCommandProviderTests.cs

@@ -58,7 +58,7 @@ public class AllAppsCommandProviderTests : AppsTestBase
         var provider = new AllAppsCommandProvider(page);
 
         // Act
-        var result = provider.LookupApp(string.Empty);
+        var result = provider.LookupAppByDisplayName(string.Empty);
 
         // Assert
         Assert.IsNotNull(result);
@@ -77,7 +77,7 @@ public class AllAppsCommandProviderTests : AppsTestBase
         await WaitForPageInitializationAsync();
 
         // Act
-        var result = provider.LookupApp("TestApp");
+        var result = provider.LookupAppByDisplayName("TestApp");
 
         // Assert
         Assert.IsNotNull(result);
@@ -97,7 +97,7 @@ public class AllAppsCommandProviderTests : AppsTestBase
         await WaitForPageInitializationAsync();
 
         // Act
-        var result = provider.LookupApp("NonExistentApp");
+        var result = provider.LookupAppByDisplayName("NonExistentApp");
 
         // Assert
         Assert.IsNull(result);

src/modules/cmdpal/Tests/Microsoft.CmdPal.Ext.RemoteDesktop.UnitTests/FallbackRemoteDesktopItemTests.cs

@@ -73,13 +73,11 @@ public class FallbackRemoteDesktopItemTests
         fallback.UpdateQuery("   ");
 
         // Assert
-        Assert.AreEqual(Resources.remotedesktop_command_open, fallback.Title);
+        Assert.AreEqual(string.Empty, fallback.Title);
         Assert.AreEqual(string.Empty, fallback.Subtitle);
 
         var command = fallback.Command as OpenRemoteDesktopCommand;
-        Assert.IsNotNull(command);
-        Assert.AreEqual(Resources.remotedesktop_command_open, command.Name);
-        Assert.AreEqual(string.Empty, GetCommandHost(command));
+        Assert.IsNull(command);
     }
 
     [TestMethod]
@@ -93,13 +91,11 @@ public class FallbackRemoteDesktopItemTests
         fallback.UpdateQuery("not a valid host");
 
         // Assert
-        Assert.AreEqual(Resources.remotedesktop_command_open, fallback.Title);
+        Assert.AreEqual(string.Empty, fallback.Title);
         Assert.AreEqual(string.Empty, fallback.Subtitle);
 
         var command = fallback.Command as OpenRemoteDesktopCommand;
-        Assert.IsNotNull(command);
-        Assert.AreEqual(Resources.remotedesktop_command_open, command.Name);
-        Assert.AreEqual(string.Empty, GetCommandHost(command));
+        Assert.IsNull(command);
     }
 
     private static string GetCommandHost(OpenRemoteDesktopCommand command)

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Apps/AllAppsCommandProvider.cs

@@ -4,6 +4,8 @@
 
 using System;
 using System.Collections.Generic;
+using Microsoft.CmdPal.Ext.Apps.Helpers;
+using Microsoft.CmdPal.Ext.Apps.Programs;
 using Microsoft.CmdPal.Ext.Apps.Properties;
 using Microsoft.CmdPal.Ext.Apps.State;
 using Microsoft.CommandPalette.Extensions;
@@ -66,7 +68,71 @@ public partial class AllAppsCommandProvider : CommandProvider
 
     public override ICommandItem[] TopLevelCommands() => [_listItem, .. _page.GetPinnedApps()];
 
-    public ICommandItem? LookupApp(string displayName)
+    public ICommandItem? LookupAppByPackageFamilyName(string packageFamilyName, bool requireSingleMatch)
+    {
+        if (string.IsNullOrEmpty(packageFamilyName))
+        {
+            return null;
+        }
+
+        var items = _page.GetItems();
+        List<ICommandItem> matches = [];
+
+        foreach (var item in items)
+        {
+            if (item is AppListItem appItem && string.Equals(packageFamilyName, appItem.App.PackageFamilyName, StringComparison.OrdinalIgnoreCase))
+            {
+                matches.Add(item);
+                if (!requireSingleMatch)
+                {
+                    // Return early if we don't require uniqueness.
+                    return item;
+                }
+            }
+        }
+
+        return requireSingleMatch && matches.Count == 1 ? matches[0] : null;
+    }
+
+    public ICommandItem? LookupAppByProductCode(string productCode, bool requireSingleMatch)
+    {
+        if (string.IsNullOrEmpty(productCode))
+        {
+            return null;
+        }
+
+        if (!UninstallRegistryAppLocator.TryGetInstallInfo(productCode, out _, out var candidates) || candidates.Count <= 0)
+        {
+            return null;
+        }
+
+        var items = _page.GetItems();
+        List<ICommandItem> matches = [];
+
+        foreach (var item in items)
+        {
+            if (item is not AppListItem appListItem || string.IsNullOrEmpty(appListItem.App.FullExecutablePath))
+            {
+                continue;
+            }
+
+            foreach (var candidate in candidates)
+            {
+                if (string.Equals(appListItem.App.FullExecutablePath, candidate, StringComparison.OrdinalIgnoreCase))
+                {
+                    matches.Add(item);
+                    if (!requireSingleMatch)
+                    {
+                        return item;
+                    }
+                }
+            }
+        }
+
+        return requireSingleMatch && matches.Count == 1 ? matches[0] : null;
+    }
+
+    public ICommandItem? LookupAppByDisplayName(string displayName)
     {
         var items = _page.GetItems();
 

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Apps/AppItem.cs

@@ -29,6 +29,10 @@ public sealed class AppItem
 
     public string AppIdentifier { get; set; } = string.Empty;
 
+    public string? PackageFamilyName { get; set; }
+
+    public string? FullExecutablePath { get; set; }
+
     public AppItem()
     {
     }

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Apps/AppListItem.cs

@@ -40,6 +40,8 @@ public sealed partial class AppListItem : ListItem
 
     public string AppIdentifier => _app.AppIdentifier;
 
+    public AppItem App => _app;
+
     public AppListItem(AppItem app, bool useThumbnails, bool isPinned)
     {
         Command = _appCommand = new AppCommand(app);
@@ -82,6 +84,12 @@ public sealed partial class AppListItem : ListItem
             metadata.Add(new DetailsElement() { Key = "Path", Data = new DetailsLink() { Text = _app.ExePath } });
         }
 
+#if DEBUG
+        metadata.Add(new DetailsElement() { Key = "[DEBUG] AppIdentifier", Data = new DetailsLink() { Text = _app.AppIdentifier } });
+        metadata.Add(new DetailsElement() { Key = "[DEBUG] ExePath", Data = new DetailsLink() { Text = _app.ExePath } });
+        metadata.Add(new DetailsElement() { Key = "[DEBUG] IcoPath", Data = new DetailsLink() { Text = _app.IcoPath } });
+#endif
+
         // Icon
         IconInfo? heroImage = null;
         if (_app.IsPackaged)

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Apps/Helpers/UninstallRegistryAppLocator.cs

@@ -0,0 +1,205 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using Microsoft.Win32;
+
+namespace Microsoft.CmdPal.Ext.Apps.Helpers;
+
+internal static class UninstallRegistryAppLocator
+{
+    private static readonly string[] UninstallBaseKeys =
+    [
+        @"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall",
+        @"SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall",
+    ];
+
+    /// <summary>
+    /// Tries to find install directory and a list of plausible main EXEs from an uninstall key
+    /// (e.g. Inno Setup keys like "{guid}_is1").
+    /// <paramref name="exeCandidates"/> may be empty if we couldn't pick any safe EXEs.
+    /// </summary>
+    /// <returns>
+    /// Returns true if the uninstall key is found and an install directory is resolved.
+    /// </returns>
+    public static bool TryGetInstallInfo(
+        string uninstallKeyName,
+        out string? installDir,
+        out IReadOnlyList<string> exeCandidates,
+        string? expectedExeName = null)
+    {
+        installDir = null;
+        exeCandidates = [];
+
+        if (string.IsNullOrWhiteSpace(uninstallKeyName))
+        {
+            throw new ArgumentException("Key name must not be null or empty.", nameof(uninstallKeyName));
+        }
+
+        uninstallKeyName = uninstallKeyName.Trim();
+
+        foreach (var baseKeyPath in UninstallBaseKeys)
+        {
+            // HKLM
+            using (var key = Registry.LocalMachine.OpenSubKey($"{baseKeyPath}\\{uninstallKeyName}"))
+            {
+                if (TryFromUninstallKey(key, expectedExeName, out installDir, out exeCandidates))
+                {
+                    return true;
+                }
+            }
+
+            // HKCU
+            using (var key = Registry.CurrentUser.OpenSubKey($"{baseKeyPath}\\{uninstallKeyName}"))
+            {
+                if (TryFromUninstallKey(key, expectedExeName, out installDir, out exeCandidates))
+                {
+                    return true;
+                }
+            }
+        }
+
+        return false;
+    }
+
+    private static bool TryFromUninstallKey(
+        RegistryKey? key,
+        string? expectedExeName,
+        out string? installDir,
+        out IReadOnlyList<string> exeCandidates)
+    {
+        installDir = null;
+        exeCandidates = [];
+
+        if (key is null)
+        {
+            return false;
+        }
+
+        var location = (key.GetValue("InstallLocation") as string)?.Trim('"', ' ', '\t');
+        if (string.IsNullOrEmpty(location))
+        {
+            location = (key.GetValue("Inno Setup: App Path") as string)?.Trim('"', ' ', '\t');
+        }
+
+        if (string.IsNullOrEmpty(location))
+        {
+            var uninstall = key.GetValue("UninstallString") as string;
+            var uninsExe = ExtractFirstPath(uninstall);
+            if (!string.IsNullOrEmpty(uninsExe))
+            {
+                var dir = Path.GetDirectoryName(uninsExe);
+                if (!string.IsNullOrEmpty(dir) && Directory.Exists(dir))
+                {
+                    location = dir;
+                }
+            }
+        }
+
+        if (string.IsNullOrEmpty(location) || !Directory.Exists(location))
+        {
+            return false;
+        }
+
+        installDir = location;
+
+        // Collect safe EXE candidates; may be empty if ambiguous or only uninstall exes exist.
+        exeCandidates = GetExeCandidates(location, expectedExeName);
+        return true;
+    }
+
+    private static IReadOnlyList<string> GetExeCandidates(string root, string? expectedExeName)
+    {
+        // Look at root and a "bin" subfolder (very common pattern)
+        var allExes = Directory.EnumerateFiles(root, "*.exe", SearchOption.TopDirectoryOnly)
+            .Concat(GetBinExes(root))
+            .Distinct(StringComparer.OrdinalIgnoreCase)
+            .ToArray();
+
+        if (allExes.Length == 0)
+        {
+            return [];
+        }
+
+        var result = new List<string>();
+
+        // 1) Exact match on expected exe name (if provided), ignoring case, and not uninstall/setup-like.
+        if (!string.IsNullOrWhiteSpace(expectedExeName))
+        {
+            foreach (var exe in allExes)
+            {
+                if (string.Equals(Path.GetFileName(exe), expectedExeName, StringComparison.OrdinalIgnoreCase) &&
+                    !LooksLikeUninstallerOrSetup(exe))
+                {
+                    result.Add(exe);
+                }
+            }
+        }
+
+        // 2) All other non-uninstall/setup exes
+        foreach (var exe in allExes)
+        {
+            if (LooksLikeUninstallerOrSetup(exe))
+            {
+                continue;
+            }
+
+            // Skip ones already added as expectedExeName matches
+            if (result.Contains(exe, StringComparer.OrdinalIgnoreCase))
+            {
+                continue;
+            }
+
+            result.Add(exe);
+        }
+
+        // 3) We intentionally do NOT add uninstall/setup/update exes here.
+        // If you ever want them, you can add a separate API to expose them.
+        return result;
+    }
+
+    private static IEnumerable<string> GetBinExes(string root)
+    {
+        var bin = Path.Combine(root, "bin");
+        return !Directory.Exists(bin)
+            ? []
+            : Directory.EnumerateFiles(bin, "*.exe", SearchOption.TopDirectoryOnly);
+    }
+
+    private static bool LooksLikeUninstallerOrSetup(string path)
+    {
+        var name = Path.GetFileName(path);
+        return name.StartsWith("unins", StringComparison.OrdinalIgnoreCase) // e.g. Inno: unins000.exe
+               || name.Contains("setup", StringComparison.OrdinalIgnoreCase) // setup.exe
+               || name.Contains("installer", StringComparison.OrdinalIgnoreCase) // installer.exe / MyAppInstaller.exe
+               || name.Contains("update", StringComparison.OrdinalIgnoreCase); // updater/updater.exe
+    }
+
+    private static string? ExtractFirstPath(string? commandLine)
+    {
+        if (string.IsNullOrWhiteSpace(commandLine))
+        {
+            return null;
+        }
+
+        commandLine = commandLine.Trim();
+
+        if (commandLine.StartsWith('"'))
+        {
+            var endQuote = commandLine.IndexOf('"', 1);
+            if (endQuote > 1)
+            {
+                return commandLine[1..endQuote];
+            }
+        }
+
+        var firstSpace = commandLine.IndexOf(' ');
+        var candidate = firstSpace > 0 ? commandLine[..firstSpace] : commandLine;
+        candidate = candidate.Trim('"');
+        return candidate.Length > 0 ? candidate : null;
+    }
+}

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Apps/Programs/UWPApplication.cs

@@ -558,6 +558,7 @@ public class UWPApplication : IUWPApplication
             IsPackaged = true,
             Commands = app.GetCommands(),
             AppIdentifier = app.GetAppIdentifier(),
+            PackageFamilyName = app.Package.FamilyName,
         };
         return item;
     }

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Apps/Programs/Win32Program.cs

@@ -1065,6 +1065,7 @@ public class Win32Program : IProgram
             DirPath = app.Location,
             Commands = app.GetCommands(),
             AppIdentifier = app.GetAppIdentifier(),
+            FullExecutablePath = app.FullPath,
         };
     }
 }

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.RemoteDesktop/Commands/FallbackRemoteDesktopItem.cs

@@ -23,13 +23,16 @@ internal sealed partial class FallbackRemoteDesktopItem : FallbackCommandItem
         ];
 
     private static readonly CompositeFormat RemoteDesktopOpenHostFormat = CompositeFormat.Parse(Resources.remotedesktop_open_host);
+
     private readonly IRdpConnectionsManager _rdpConnectionsManager;
+    private readonly NoOpCommand _emptyCommand = new NoOpCommand();
 
     public FallbackRemoteDesktopItem(IRdpConnectionsManager rdpConnectionsManager)
-    : base(new OpenRemoteDesktopCommand(string.Empty), Resources.remotedesktop_title)
+    : base(Resources.remotedesktop_title)
     {
         _rdpConnectionsManager = rdpConnectionsManager;
 
+        Command = _emptyCommand;
         Title = string.Empty;
         Subtitle = string.Empty;
         Icon = Icons.RDPIcon;
@@ -41,7 +44,7 @@ internal sealed partial class FallbackRemoteDesktopItem : FallbackCommandItem
         {
             Title = string.Empty;
             Subtitle = string.Empty;
-            Command = new OpenRemoteDesktopCommand(string.Empty);
+            Command = _emptyCommand;
             return;
         }
 
@@ -68,7 +71,7 @@ internal sealed partial class FallbackRemoteDesktopItem : FallbackCommandItem
         {
             Title = string.Empty;
             Subtitle = string.Empty;
-            Command = new OpenRemoteDesktopCommand(string.Empty);
+            Command = _emptyCommand;
         }
     }
 }

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.RemoteDesktop/Commands/OpenRemoteDesktopCommand.cs

@@ -40,7 +40,7 @@ internal sealed partial class OpenRemoteDesktopCommand : BaseObservable, IInvoka
     {
         using var process = new Process();
         process.StartInfo.UseShellExecute = false;
-        process.StartInfo.WorkingDirectory = Environment.SpecialFolder.MyDocuments.ToString();
+        process.StartInfo.WorkingDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
         process.StartInfo.FileName = "mstsc";
 
         if (!string.IsNullOrWhiteSpace(_rdpHost))

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.WinGet/Pages/InstallPackageCommand.cs

@@ -62,7 +62,7 @@ public partial class InstallPackageCommand : InvokableCommand
         {
             PackageInstallCommandState.Install => Icons.DownloadIcon,
             PackageInstallCommandState.Update => Icons.UpdateIcon,
-            PackageInstallCommandState.Uninstall => Icons.CompletedIcon,
+            PackageInstallCommandState.Uninstall => Icons.DeleteIcon,
             _ => throw new NotImplementedException(),
         };
         Name = InstallCommandState switch

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.WinGet/Pages/InstallPackageListItem.cs

@@ -194,46 +194,95 @@ public partial class InstallPackageListItem : ListItem
         var isInstalled = _package.InstalledVersion is not null;
 
         var installedState = isInstalled ?
-            (_package.IsUpdateAvailable ?
-                PackageInstallCommandState.Update : PackageInstallCommandState.Uninstall) :
+            (_package.IsUpdateAvailable ? PackageInstallCommandState.Update : PackageInstallCommandState.Uninstall) :
             PackageInstallCommandState.Install;
 
         // might be an uninstall command
         InstallPackageCommand installCommand = new(_package, installedState);
 
-        if (isInstalled)
+        if (_package.InstalledVersion is not null)
         {
-            this.Icon = installCommand.Icon;
-            this.Command = new NoOpCommand();
+#if DEBUG
+            var installerType = _package.InstalledVersion.GetMetadata(PackageVersionMetadataField.InstallerType);
+            Subtitle = installerType + " | " + Subtitle;
+#endif
+
             List<IContextItem> contextMenu = [];
-            CommandContextItem uninstallContextItem = new(installCommand)
+            Command = installCommand;
+            Icon = installedState switch
             {
-                IsCritical = true,
-                Icon = Icons.DeleteIcon,
+                PackageInstallCommandState.Install => Icons.DownloadIcon,
+                PackageInstallCommandState.Update => Icons.UpdateIcon,
+                PackageInstallCommandState.Uninstall => Icons.CompletedIcon,
+                _ => Icons.DownloadIcon,
             };
 
-            if (WinGetStatics.AppSearchCallback is not null)
+            TryLocateAndAppendActionForApp(contextMenu);
+
+            MoreCommands = contextMenu.ToArray();
+        }
+        else
+        {
+            _installCommand = new InstallPackageCommand(_package, installedState);
+            _installCommand.InstallStateChanged += InstallStateChangedHandler;
+            Command = _installCommand;
+            Icon = _installCommand.Icon;
+        }
+    }
+
+    private void TryLocateAndAppendActionForApp(List<IContextItem> contextMenu)
+    {
+        try
+        {
+            // Let's try to connect it to an installed app if possible
+            // This is a bit of dark magic, since there's no direct link between
+            // WinGet packages and installed apps.
+            var lookupByPackageName = WinGetStatics.AppSearchByPackageFamilyNameCallback;
+            if (lookupByPackageName is not null)
             {
-                var callback = WinGetStatics.AppSearchCallback;
-                var installedApp = callback(_package.DefaultInstallVersion is null ? _package.Name : _package.DefaultInstallVersion.DisplayName);
-                if (installedApp is not null)
+                var names = _package.InstalledVersion.PackageFamilyNames;
+                for (var i = 0; i < names.Count; i++)
                 {
-                    this.Command = installedApp.Command;
-                    contextMenu = [.. installedApp.MoreCommands];
+                    var installedAppByPfn = lookupByPackageName(names[i]);
+                    if (installedAppByPfn is not null)
+                    {
+                        contextMenu.Add(new Separator());
+                        contextMenu.Add(new CommandContextItem(installedAppByPfn.Command));
+                        foreach (var item in installedAppByPfn.MoreCommands)
+                        {
+                            contextMenu.Add(item);
+                        }
+
+                        return;
+                    }
                 }
             }
 
-            contextMenu.Add(uninstallContextItem);
-            this.MoreCommands = contextMenu.ToArray();
-            return;
+            var lookupByProductCode = WinGetStatics.AppSearchByProductCodeCallback;
+            if (lookupByProductCode is not null)
+            {
+                var productCodes = _package.InstalledVersion.ProductCodes;
+                for (var i = 0; i < productCodes.Count; i++)
+                {
+                    var installedAppByProductCode = lookupByProductCode(productCodes[i]);
+                    if (installedAppByProductCode is not null)
+                    {
+                        contextMenu.Add(new Separator());
+                        contextMenu.Add(new CommandContextItem(installedAppByProductCode.Command));
+                        foreach (var item in installedAppByProductCode.MoreCommands)
+                        {
+                            contextMenu.Add(item);
+                        }
+
+                        return;
+                    }
+                }
+            }
+        }
+        catch (Exception ex)
+        {
+            Logger.LogError($"Failed to retrieve app context menu items for package '{_package?.Name ?? "Unknown"}'", ex);
         }
-
-        // didn't find the app
-        _installCommand = new InstallPackageCommand(_package, installedState);
-        this.Command = _installCommand;
-
-        Icon = _installCommand.Icon;
-        _installCommand.InstallStateChanged += InstallStateChangedHandler;
     }
 
     private void InstallStateChangedHandler(object? sender, InstallPackageCommand e)

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.WinGet/WinGetExtensionCommandsProvider.cs

@@ -41,5 +41,9 @@ public partial class WinGetExtensionCommandsProvider : CommandProvider
 
     public override void InitializeWithHost(IExtensionHost host) => WinGetExtensionHost.Instance.Initialize(host);
 
-    public void SetAllLookup(Func<string, ICommandItem?> callback) => WinGetStatics.AppSearchCallback = callback;
+    public void SetAllLookup(Func<string, ICommandItem?> lookupByPackageName, Func<string, ICommandItem?> lookupByProductCode)
+    {
+        WinGetStatics.AppSearchByPackageFamilyNameCallback = lookupByPackageName;
+        WinGetStatics.AppSearchByProductCodeCallback = lookupByProductCode;
+    }
 }

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.WinGet/WinGetStatics.cs

@@ -34,7 +34,9 @@ internal static class WinGetStatics
 
     private static readonly StatusMessage _errorMessage = new() { State = MessageState.Error };
 
-    public static Func<string, ICommandItem?>? AppSearchCallback { get; set; }
+    public static Func<string, ICommandItem?>? AppSearchByPackageFamilyNameCallback { get; set; }
+
+    public static Func<string, ICommandItem?>? AppSearchByProductCodeCallback { get; set; }
 
     private static readonly CompositeFormat CreateCatalogErrorMessage = System.Text.CompositeFormat.Parse(Properties.Resources.winget_create_catalog_error);
 

src/modules/cmdpal/extensionsdk/Microsoft.CommandPalette.Extensions.Toolkit/FallbackCommandItem.cs

@@ -6,7 +6,12 @@ namespace Microsoft.CommandPalette.Extensions.Toolkit;
 
 public partial class FallbackCommandItem : CommandItem, IFallbackCommandItem, IFallbackHandler
 {
-    private IFallbackHandler? _fallbackHandler;
+    private readonly IFallbackHandler? _fallbackHandler;
+
+    public FallbackCommandItem(string displayTitle)
+    {
+        DisplayTitle = displayTitle;
+    }
 
     public FallbackCommandItem(ICommand command, string displayTitle)
         : base(command)

src/modules/cmdpal/extensionsdk/nuget/BuildSDKHelper.ps1

@@ -56,7 +56,7 @@ if ($IsAzurePipelineBuild) {
 }
 
 if (($BuildStep -ieq "all") -Or ($BuildStep -ieq "build")) {
-  & $nugetPath restore (Join-Path $PSScriptRoot "..\..\..\..\..\PowerToys.sln")
+  & $nugetPath restore (Join-Path $PSScriptRoot "..\..\..\..\..\PowerToys.slnx")
 
   Try {
     foreach ($config in $Configuration.Split(",")) {

src/modules/poweraccent/PowerAccent.Core/Languages.cs

@@ -224,7 +224,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_X => new[] { "ẋ", "×" },
                 LetterKey.VK_Y => new[] { "ẏ", "ꝡ" },
                 LetterKey.VK_Z => new[] { "ʒ", "ǯ", "ℤ" },
-                LetterKey.VK_COMMA => new[] { "∙", "₋", "⁻", "–", "√" }, // – is in VK_MINUS for other languages, but not VK_COMMA, so we add it here.
+                LetterKey.VK_COMMA => new[] { "∙", "₋", "⁻", "–", "√", "‟", "《", "》", "‛", "〈", "〉", "″", "‴", "⁗" }, // – is in VK_MINUS for other languages, but not VK_COMMA, so we add it here.
                 LetterKey.VK_PERIOD => new[] { "…", "⁝", "\u0300", "\u0301", "\u0302", "\u0303", "\u0304", "\u0308", "\u030B", "\u030C" },
                 LetterKey.VK_MINUS => new[] { "~", "‐", "‑", "‒", "—", "―", "⁓", "−", "⸺", "⸻", "∓" },
                 LetterKey.VK_SLASH_ => new[] { "÷", "√" },
@@ -302,6 +302,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_E => new[] { "€" },
                 LetterKey.VK_S => new[] { "š" },
                 LetterKey.VK_Z => new[] { "ž" },
+                LetterKey.VK_COMMA => new[] { "„", "“", "»", "«" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -317,6 +318,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_U => new[] { "ü" },
                 LetterKey.VK_Z => new[] { "ž" },
                 LetterKey.VK_S => new[] { "š" },
+                LetterKey.VK_COMMA => new[] { "„", "“", "«", "»" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -344,6 +346,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_A => new[] { "ä", "å" },
                 LetterKey.VK_E => new[] { "€" },
                 LetterKey.VK_O => new[] { "ö" },
+                LetterKey.VK_COMMA => new[] { "”", "’", "»" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -360,6 +363,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_O => new[] { "ô", "ö", "ó", "ò", "õ", "œ" },
                 LetterKey.VK_U => new[] { "û", "ù", "ü", "ú" },
                 LetterKey.VK_Y => new[] { "ÿ", "ý" },
+                LetterKey.VK_COMMA => new[] { "«", "»", "‹", "›", "“", "”", "‘", "’" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -376,6 +380,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_U => new[] { "ú" },
                 LetterKey.VK_Y => new[] { "ý" },
                 LetterKey.VK_T => new[] { "þ" },
+                LetterKey.VK_COMMA => new[] { "„", "“", "‚", "‘" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -393,7 +398,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_N => new[] { "ñ" },
                 LetterKey.VK_O => new[] { "ó" },
                 LetterKey.VK_U => new[] { "ú", "ü" },
-                LetterKey.VK_COMMA => new[] { "¿", "?", "¡", "!" },
+                LetterKey.VK_COMMA => new[] { "¿", "?", "¡", "!", "«", "»", "“", "”", "‘", "’" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -411,7 +416,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_O => new[] { "ò", "ó" },
                 LetterKey.VK_U => new[] { "ù", "ú", "ü" },
                 LetterKey.VK_L => new[] { "·" },
-                LetterKey.VK_COMMA => new[] { "¿", "?", "¡", "!" },
+                LetterKey.VK_COMMA => new[] { "¿", "?", "¡", "!", "«", "»", "“", "”", "‘", "’" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -427,6 +432,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_O => new[] { "ō" },
                 LetterKey.VK_S => new[] { "$" },
                 LetterKey.VK_U => new[] { "ū" },
+                LetterKey.VK_COMMA => new[] { "“", "”", "‘", "’" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -443,6 +449,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_N => new[] { "ñ" },
                 LetterKey.VK_O => new[] { "ó", "ö", "ô" },
                 LetterKey.VK_U => new[] { "ú", "ü", "û" },
+                LetterKey.VK_COMMA => new[] { "“", "„", "”", "‘", ",", "’" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -469,6 +476,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_V => new[] { "ü", "ǖ", "ǘ", "ǚ", "ǜ" },
                 LetterKey.VK_Y => new[] { "¥" },
                 LetterKey.VK_Z => new[] { "ẑ" },
+                LetterKey.VK_COMMA => new[] { "“", "”", "‘", "’", "「", "」", "『", "』" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -505,6 +513,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_S => new[] { "ş" },
                 LetterKey.VK_T => new[] { "₺" },
                 LetterKey.VK_U => new[] { "ü", "û" },
+                LetterKey.VK_COMMA => new[] { "“", "”", "‘", "’", "«", "»", "‹", "›" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -522,6 +531,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_O => new[] { "ó" },
                 LetterKey.VK_S => new[] { "ś" },
                 LetterKey.VK_Z => new[] { "ż", "ź" },
+                LetterKey.VK_COMMA => new[] { "„", "”", "‘", "’", "»", "«" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -539,7 +549,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_P => new[] { "π" },
                 LetterKey.VK_S => new[] { "$" },
                 LetterKey.VK_U => new[] { "ú" },
-                LetterKey.VK_COMMA => new[] { "≤", "≥", "≠", "≈", "≙", "±", "₊", "⁺" },
+                LetterKey.VK_COMMA => new[] { "≤", "≥", "≠", "≈", "≙", "±", "₊", "⁺", "“", "”", "‘", "’", "«", "»" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -594,6 +604,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_U => new[] { "ú" },
                 LetterKey.VK_Y => new[] { "ý" },
                 LetterKey.VK_Z => new[] { "ž" },
+                LetterKey.VK_COMMA => new[] { "„", "“", "‚", "‘", "»", "«", "›", "‹" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -608,6 +619,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_I => new[] { "í" },
                 LetterKey.VK_O => new[] { "ó" },
                 LetterKey.VK_U => new[] { "ú" },
+                LetterKey.VK_COMMA => new[] { "“", "”", "‘", "’" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -623,6 +635,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_O => new[] { "ò" },
                 LetterKey.VK_P => new[] { "£" },
                 LetterKey.VK_U => new[] { "ù" },
+                LetterKey.VK_COMMA => new[] { "“", "”", "‘", "’" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -645,6 +658,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_U => new[] { "ů", "ú" },
                 LetterKey.VK_Y => new[] { "ý" },
                 LetterKey.VK_Z => new[] { "ž" },
+                LetterKey.VK_COMMA => new[] { "„", "“", "‚", "‘", "»", "«", "›", "‹" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -659,6 +673,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_O => new[] { "ö" },
                 LetterKey.VK_S => new[] { "ß" },
                 LetterKey.VK_U => new[] { "ü" },
+                LetterKey.VK_COMMA => new[] { "„", "“", "‚", "‘", "»", "«", "›", "‹" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -689,6 +704,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_X => new string[] { "ξ" },
                 LetterKey.VK_Y => new string[] { "υ" },
                 LetterKey.VK_Z => new string[] { "ζ" },
+                LetterKey.VK_COMMA => new[] { "“", "”", "«", "»", },
                 _ => Array.Empty<string>(),
             };
         }
@@ -710,7 +726,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_U => new[] { "וֹ", "וּ", "װ", "\u05b9" },
                 LetterKey.VK_X => new[] { "\u05b6", "\u05b1" },
                 LetterKey.VK_Y => new[] { "ױ" },
-                LetterKey.VK_COMMA => new[] { "”", "’", "״", "׳" },
+                LetterKey.VK_COMMA => new[] { "”", "’", "'", "״", "׳" },
                 LetterKey.VK_PERIOD => new[] { "\u05ab", "\u05bd", "\u05bf" },
                 LetterKey.VK_MINUS => new[] { "–", "־" },
                 _ => Array.Empty<string>(),
@@ -727,6 +743,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_I => new[] { "í" },
                 LetterKey.VK_O => new[] { "ó", "ő", "ö" },
                 LetterKey.VK_U => new[] { "ú", "ű", "ü" },
+                LetterKey.VK_COMMA => new[] { "„", "”", "»", "«" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -740,6 +757,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_I => new[] { "î" },
                 LetterKey.VK_S => new[] { "ș" },
                 LetterKey.VK_T => new[] { "ț" },
+                LetterKey.VK_COMMA => new[] { "„", "”", "«", "»" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -754,6 +772,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_I => new[] { "ì", "í" },
                 LetterKey.VK_O => new[] { "ò", "ó" },
                 LetterKey.VK_U => new[] { "ù", "ú" },
+                LetterKey.VK_COMMA => new[] { "«", "»", "“", "”", "‘", "’" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -772,6 +791,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_R => new[] { "ř" },
                 LetterKey.VK_S => new[] { "ş" },
                 LetterKey.VK_U => new[] { "û", "ü" },
+                LetterKey.VK_COMMA => new[] { "«", "»", "“", "”" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -789,6 +809,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_U => new[] { "û", "ü", "ù", "ú" },
                 LetterKey.VK_Y => new[] { "ŷ", "ÿ", "ỳ", "ý" },
                 LetterKey.VK_W => new[] { "ŵ", "ẅ", "ẁ", "ẃ" },
+                LetterKey.VK_COMMA => new[] { "‘", "’", "“", "“" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -801,6 +822,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_A => new[] { "å", "ä" },
                 LetterKey.VK_E => new[] { "é" },
                 LetterKey.VK_O => new[] { "ö" },
+                LetterKey.VK_COMMA => new[] { "”", "’", "»", "«" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -814,6 +836,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_D => new[] { "đ" },
                 LetterKey.VK_S => new[] { "š" },
                 LetterKey.VK_Z => new[] { "ž" },
+                LetterKey.VK_COMMA => new[] { "„", "“", "‚", "’", "»", "«", "›", "‹" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -838,6 +861,7 @@ namespace PowerAccent.Core
             {
                 LetterKey.VK_E => new[] { "ѐ" },
                 LetterKey.VK_I => new[] { "ѝ" },
+                LetterKey.VK_COMMA => new[] { "„", "“", "’", "‘" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -869,6 +893,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_E => new[] { "€", "é" },
                 LetterKey.VK_O => new[] { "ø" },
                 LetterKey.VK_S => new[] { "$" },
+                LetterKey.VK_COMMA => new[] { "«", "»", ",", "‘", "’", "„", "“" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -881,6 +906,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_A => new[] { "å", "æ" },
                 LetterKey.VK_E => new[] { "€" },
                 LetterKey.VK_O => new[] { "ø" },
+                LetterKey.VK_COMMA => new[] { "»", "«", "“", "”", "›", "‹", "‘", "’" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -897,6 +923,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_S => new[] { "š" },
                 LetterKey.VK_U => new[] { "ų", "ū" },
                 LetterKey.VK_Z => new[] { "ž" },
+                LetterKey.VK_COMMA => new[] { "„", "“", "‚", "‘" },
                 _ => Array.Empty<string>(),
             };
         }
@@ -910,6 +937,7 @@ namespace PowerAccent.Core
                 LetterKey.VK_E => new[] { "€" },
                 LetterKey.VK_S => new[] { "š" },
                 LetterKey.VK_Z => new[] { "ž" },
+                LetterKey.VK_COMMA => new[] { "„", "“", "»", "«" },
                 _ => Array.Empty<string>(),
             };
         }

src/modules/poweraccent/PowerAccent.Core/PowerAccent.cs

@@ -20,6 +20,7 @@ public partial class PowerAccent : IDisposable
 
     // Keys that show a description (like dashes) when ShowCharacterInfoSetting is 1
     private readonly LetterKey[] _letterKeysShowingDescription = new LetterKey[] { LetterKey.VK_O };
+    private const double ScreenMinPadding = 150;
 
     private bool _visible;
     private string[] _characters = Array.Empty<string>();
@@ -332,6 +333,11 @@ public partial class PowerAccent : IDisposable
         return Calculation.GetRawCoordinatesFromPosition(position, screen, window);
     }
 
+    public double GetDisplayMaxWidth()
+    {
+        return WindowsFunctions.GetActiveDisplay().Size.Width - ScreenMinPadding;
+    }
+
     public Position GetToolbarPosition()
     {
         return _settingService.Position;

src/modules/poweraccent/PowerAccent.UI/Selector.xaml.cs

@@ -59,6 +59,7 @@ public partial class Selector : FluentWindow, IDisposable, INotifyPropertyChange
         _selectedIndex = index;
         characters.SelectedIndex = _selectedIndex;
         characterName.Text = _powerAccent.CharacterDescriptions[_selectedIndex];
+        characters.ScrollIntoView(character);
     }
 
     private void PowerAccent_OnChangeDisplay(bool isActive, string[] chars)
@@ -73,6 +74,7 @@ public partial class Selector : FluentWindow, IDisposable, INotifyPropertyChange
             characters.ItemsSource = chars;
             characters.SelectedIndex = _selectedIndex;
             this.UpdateLayout(); // Required for filling the actual width/height before positioning.
+            SetWindowsSize();
             SetWindowPosition();
             Show();
             Microsoft.PowerToys.Telemetry.PowerToysTelemetry.Log.WriteEvent(new PowerAccent.Core.Telemetry.PowerAccentShowAccentMenuEvent());
@@ -96,6 +98,11 @@ public partial class Selector : FluentWindow, IDisposable, INotifyPropertyChange
         this.Top = position.Y;
     }
 
+    private void SetWindowsSize()
+    {
+        this.characters.MaxWidth = _powerAccent.GetDisplayMaxWidth();
+    }
+
     protected override void OnClosed(EventArgs e)
     {
         _powerAccent.SaveUsageInfo();

src/settings-ui/Settings.UI.Library/AdvancedPasteCustomActions.cs

@@ -10,7 +10,7 @@ namespace Microsoft.PowerToys.Settings.UI.Library;
 
 public sealed class AdvancedPasteCustomActions
 {
-    private static readonly JsonSerializerOptions _serializerOptions = new()
+    private static readonly JsonSerializerOptions _serializerOptions = new(SettingsSerializationContext.Default.Options)
     {
         WriteIndented = true,
     };

src/settings-ui/Settings.UI.Library/AdvancedPasteProperties.cs

@@ -104,6 +104,6 @@ namespace Microsoft.PowerToys.Settings.UI.Library
         public PasteAIConfiguration PasteAIConfiguration { get; set; }
 
         public override string ToString()
-            => JsonSerializer.Serialize(this);
+            => JsonSerializer.Serialize(this, SettingsSerializationContext.Default.AdvancedPasteProperties);
     }
 }

src/settings-ui/Settings.UI.Library/BasePTModuleSettings.cs

@@ -2,13 +2,32 @@
 // The Microsoft Corporation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
 namespace Microsoft.PowerToys.Settings.UI.Library
 {
+    /// <summary>
+    /// Base class for all PowerToys module settings.
+    /// </summary>
+    /// <remarks>
+    /// <para><strong>IMPORTANT for Native AOT compatibility:</strong></para>
+    /// <para>When creating a new class that inherits from <see cref="BasePTModuleSettings"/>,
+    /// you MUST register it in <see cref="SettingsSerializationContext"/> by adding a
+    /// <c>[JsonSerializable(typeof(YourNewSettingsClass))]</c> attribute.</para>
+    /// <para>Failure to register the type will cause <see cref="ToJsonString"/> to throw
+    /// <see cref="InvalidOperationException"/> at runtime.</para>
+    /// <para>See <see cref="SettingsSerializationContext"/> for registration instructions.</para>
+    /// </remarks>
     public abstract class BasePTModuleSettings
     {
+        // Cached JsonSerializerOptions for Native AOT compatibility
+        private static readonly JsonSerializerOptions _jsonSerializerOptions = new JsonSerializerOptions
+        {
+            TypeInfoResolver = SettingsSerializationContext.Default,
+        };
+
         // Gets or sets name of the powertoy module.
         [JsonPropertyName("name")]
         public string Name { get; set; }
@@ -17,11 +36,33 @@ namespace Microsoft.PowerToys.Settings.UI.Library
         [JsonPropertyName("version")]
         public string Version { get; set; }
 
-        // converts the current to a json string.
+        /// <summary>
+        /// Converts the current settings object to a JSON string.
+        /// </summary>
+        /// <returns>JSON string representation of this settings object.</returns>
+        /// <exception cref="InvalidOperationException">
+        /// Thrown when the runtime type is not registered in <see cref="SettingsSerializationContext"/>.
+        /// All derived types must be registered with <c>[JsonSerializable(typeof(YourType))]</c> attribute.
+        /// </exception>
+        /// <remarks>
+        /// This method uses Native AOT-compatible JSON serialization. The runtime type must be
+        /// registered in <see cref="SettingsSerializationContext"/> for serialization to work.
+        /// </remarks>
         public virtual string ToJsonString()
         {
             // By default JsonSerializer will only serialize the properties in the base class. This can be avoided by passing the object type (more details at https://stackoverflow.com/a/62498888)
-            return JsonSerializer.Serialize(this, GetType());
+            var runtimeType = GetType();
+
+            // For Native AOT compatibility, get JsonTypeInfo from the TypeInfoResolver
+            var typeInfo = _jsonSerializerOptions.TypeInfoResolver?.GetTypeInfo(runtimeType, _jsonSerializerOptions);
+
+            if (typeInfo == null)
+            {
+                throw new InvalidOperationException($"Type {runtimeType.FullName} is not registered in SettingsSerializationContext. Please add it to the [JsonSerializable] attributes.");
+            }
+
+            // Use AOT-friendly serialization
+            return JsonSerializer.Serialize(this, typeInfo);
         }
 
         public override int GetHashCode()

src/settings-ui/Settings.UI.Library/BoolProperty.cs

@@ -37,7 +37,7 @@ namespace Microsoft.PowerToys.Settings.UI.Library
 
         public override string ToString()
         {
-            return JsonSerializer.Serialize(this);
+            return JsonSerializer.Serialize(this, SettingsSerializationContext.Default.BoolProperty);
         }
 
         public bool TryToCmdRepresentable(out string result)

src/settings-ui/Settings.UI.Library/BoolPropertyJsonConverter.cs

@@ -12,14 +12,14 @@ namespace Microsoft.PowerToys.Settings.UI.Library
     {
         public override bool Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
         {
-            var boolProperty = JsonSerializer.Deserialize<BoolProperty>(ref reader, options);
+            var boolProperty = JsonSerializer.Deserialize(ref reader, SettingsSerializationContext.Default.BoolProperty);
             return boolProperty.Value;
         }
 
         public override void Write(Utf8JsonWriter writer, bool value, JsonSerializerOptions options)
         {
             var boolProperty = new BoolProperty(value);
-            JsonSerializer.Serialize(writer, boolProperty, options);
+            JsonSerializer.Serialize(writer, boolProperty, SettingsSerializationContext.Default.BoolProperty);
         }
     }
 }

src/settings-ui/Settings.UI.Library/CmdPalProperties.cs

@@ -43,7 +43,7 @@ namespace Microsoft.PowerToys.Settings.UI.Library
 
                 if (doc.RootElement.TryGetProperty(nameof(Hotkey), out JsonElement hotkeyElement))
                 {
-                    Hotkey = JsonSerializer.Deserialize<HotkeySettings>(hotkeyElement.GetRawText());
+                    Hotkey = JsonSerializer.Deserialize(hotkeyElement.GetRawText(), SettingsSerializationContext.Default.HotkeySettings);
                 }
             }
             catch (Exception)

src/settings-ui/Settings.UI.Library/ColorPickerProperties.cs

@@ -87,6 +87,6 @@ namespace Microsoft.PowerToys.Settings.UI.Library
         public bool ShowColorName { get; set; }
 
         public override string ToString()
-            => JsonSerializer.Serialize(this);
+            => JsonSerializer.Serialize(this, SettingsSerializationContext.Default.ColorPickerProperties);
     }
 }

src/settings-ui/Settings.UI.Library/ColorPickerPropertiesVersion1.cs

@@ -54,6 +54,6 @@ namespace Microsoft.PowerToys.Settings.UI.Library
         public bool ShowColorName { get; set; }
 
         public override string ToString()
-            => JsonSerializer.Serialize(this);
+            => JsonSerializer.Serialize(this, SettingsSerializationContext.Default.ColorPickerPropertiesVersion1);
     }
 }

src/settings-ui/Settings.UI.Library/DoubleProperty.cs

@@ -27,7 +27,7 @@ namespace Microsoft.PowerToys.Settings.UI.Library
         // Returns a JSON version of the class settings configuration class.
         public override string ToString()
         {
-            return JsonSerializer.Serialize(this);
+            return JsonSerializer.Serialize(this, SettingsSerializationContext.Default.DoubleProperty);
         }
     }
 }

src/settings-ui/Settings.UI.Library/FileLocksmithLocalProperties.cs

@@ -21,7 +21,7 @@ namespace Microsoft.PowerToys.Settings.UI.Library
 
         public string ToJsonString()
         {
-            return JsonSerializer.Serialize(this);
+            return JsonSerializer.Serialize(this, SettingsSerializationContext.Default.FileLocksmithLocalProperties);
         }
 
         // This function is required to implement the ISettingsConfig interface and obtain the settings configurations.

src/settings-ui/Settings.UI.Library/FileLocksmithProperties.cs

@@ -17,6 +17,6 @@ namespace Microsoft.PowerToys.Settings.UI.Library
         [JsonPropertyName("bool_show_extended_menu")]
         public BoolProperty ExtendedContextMenuOnly { get; set; }
 
-        public override string ToString() => JsonSerializer.Serialize(this);
+        public override string ToString() => JsonSerializer.Serialize(this, SettingsSerializationContext.Default.FileLocksmithProperties);
     }
 }

src/settings-ui/Settings.UI.Library/GeneralSettings.cs

@@ -119,7 +119,7 @@ namespace Microsoft.PowerToys.Settings.UI.Library
         // converts the current to a json string.
         public string ToJsonString()
         {
-            return JsonSerializer.Serialize(this);
+            return JsonSerializer.Serialize(this, SettingsSerializationContext.Default.GeneralSettings);
         }
 
         private static string DefaultPowertoysVersion()

src/settings-ui/Settings.UI.Library/GeneralSettingsCustomAction.cs

@@ -23,7 +23,7 @@ namespace Microsoft.PowerToys.Settings.UI.Library
 
         public override string ToString()
         {
-            return JsonSerializer.Serialize(this);
+            return JsonSerializer.Serialize(this, SettingsSerializationContext.Default.GeneralSettingsCustomAction);
         }
     }
 }

src/settings-ui/Settings.UI.Library/Helpers/SunTimes.cs

@@ -12,13 +12,18 @@ namespace Microsoft.PowerToys.Settings.UI.Library.Helpers
 {
     public struct SunTimes
     {
-        public int SunriseHour;
-        public int SunriseMinute;
-        public int SunsetHour;
-        public int SunsetMinute;
-        public string Text;
+        public int SunriseHour { get; set; }
 
-        public bool HasSunrise;
-        public bool HasSunset;
+        public int SunriseMinute { get; set; }
+
+        public int SunsetHour { get; set; }
+
+        public int SunsetMinute { get; set; }
+
+        public string Text { get; set; }
+
+        public bool HasSunrise { get; set; }
+
+        public bool HasSunset { get; set; }
     }
 }

src/settings-ui/Settings.UI.Library/ImageResizerProperties.cs

@@ -86,7 +86,7 @@ namespace Microsoft.PowerToys.Settings.UI.Library
 
         public string ToJsonString()
         {
-            return JsonSerializer.Serialize(this);
+            return JsonSerializer.Serialize(this, SettingsSerializationContext.Default.ImageResizerProperties);
         }
     }