Self-contained .NET (#22217)

* dotnet sc

* MD preview - C# app

 - working self-contained

* Gcode preview - C# app

* DevFiles preview - C# app

* Fix passing path with spaces as cmd arg and monacocpp proj file

* Pdf preview - C# app

* Svg preview - C# app

* Fix comment

* Gcode thumbnail - C# app

TODO:
	- installer
	- why IThumbnailProvider and IIntializeWithFile doesn't work?

* Pdf thumbnail - C# app

TODO:
        - installer
        - why IThumbnailProvider and IIntializeWithFile doesn't work?

* Pdf thumbnail - C# app

TODO:
        - installer
        - why IThumbnailProvider and IIntializeWithFile doesn't work?

* Fix GcodeThumbnailProviderCpp.vcxproj

* Svg thumbnail - C# app

TODO:
        - installer
        - why IThumbnailProvider and IIntializeWithFile doesn't work?

* Fix Svg tests

* Thumbnail providers - installer

* Self-contained Hosts and FileLocksmith

* Fix hardcoded <RuntimeIdentifier>

* Remove unneeded files

* Try to fix Nuget in PR CI

* Prefix new dlls with PowerToys.
Sign new dlls and exes

* Add new .exe files to ProcessList

* ci: debug by listing all env vars

* ci: try setting variable in the right ci file

* Bring back hardcoded RuntimeIdentifier

* ci: Add comment and remove debug action

* Remove unneeded lib

* [WIP] Platform conditional dotnet files & hardlinks

* Cleanup

* Update expect.txt

* Test fix - ARM installer

* Fix uninstall bug

* Update docs

* Fix failing test

* Add dll details

* Minor cleanup

* Improve resizing

* Add some logs

* Test fix - release build

* Remove InvokeOnControlThread

* Test fix: logger initialization

* Fix arm64 installer

Co-authored-by: Jaime Bernardo <jaime@janeasystems.com>
Co-authored-by: Dustin L. Howett <dustin@howett.net>

src/modules/previewpane/PdfThumbnailProviderCpp/ClassFactory.cpp

@@ -0,0 +1,84 @@
+#include "pch.h"
+#include "ClassFactory.h"
+#include "PdfThumbnailProvider.h"
+
+#include <new>
+#include <Shlwapi.h>
+
+extern long g_cDllRef;
+
+ClassFactory::ClassFactory() :
+    m_cRef(1)
+{
+    InterlockedIncrement(&g_cDllRef);
+}
+
+ClassFactory::~ClassFactory()
+{
+    InterlockedDecrement(&g_cDllRef);
+}
+
+//
+// IUnknown
+//
+
+IFACEMETHODIMP ClassFactory::QueryInterface(REFIID riid, void **ppv)
+{
+    static const QITAB qit[] = {
+        QITABENT(ClassFactory, IClassFactory),
+        { 0 },
+    };
+    return QISearch(this, qit, riid, ppv);
+}
+
+IFACEMETHODIMP_(ULONG) ClassFactory::AddRef()
+{
+    return InterlockedIncrement(&m_cRef);
+}
+
+IFACEMETHODIMP_(ULONG) ClassFactory::Release()
+{
+    ULONG cRef = InterlockedDecrement(&m_cRef);
+    if (0 == cRef)
+    {
+        delete this;
+    }
+    return cRef;
+}
+
+//
+// IClassFactory
+//
+
+IFACEMETHODIMP ClassFactory::CreateInstance(IUnknown *pUnkOuter, REFIID riid, void **ppv)
+{
+    HRESULT hr = CLASS_E_NOAGGREGATION;
+
+    if (pUnkOuter == NULL)
+    {
+        hr = E_OUTOFMEMORY;
+
+        PdfThumbnailProvider* pExt = new (std::nothrow) PdfThumbnailProvider();
+        if (pExt)
+        {
+            hr = pExt->QueryInterface(riid, ppv);
+            pExt->Release();
+        }
+    }
+
+    return hr;
+}
+
+IFACEMETHODIMP ClassFactory::LockServer(BOOL fLock)
+{
+    if (fLock)
+    {
+        InterlockedIncrement(&g_cDllRef);
+    }
+    else
+    {
+        InterlockedDecrement(&g_cDllRef);
+    }
+
+    return S_OK;
+}

src/modules/previewpane/PdfThumbnailProviderCpp/ClassFactory.h

@@ -0,0 +1,24 @@
+#pragma once
+
+#include <Unknwn.h>
+
+class ClassFactory : public IClassFactory
+{
+public:
+    // IUnknown
+    IFACEMETHODIMP QueryInterface(REFIID riid, void** ppv);
+    IFACEMETHODIMP_(ULONG) AddRef();
+    IFACEMETHODIMP_(ULONG) Release();
+
+    // IClassFactory
+    IFACEMETHODIMP CreateInstance(IUnknown* pUnkOuter, REFIID riid, void** ppv);
+    IFACEMETHODIMP LockServer(BOOL fLock);
+
+    ClassFactory();
+
+protected:
+    ~ClassFactory();
+
+private:
+    long m_cRef;
+};

src/modules/previewpane/PdfThumbnailProviderCpp/GlobalExportFunctions.def

@@ -0,0 +1,3 @@
+EXPORTS
+    DllGetClassObject   PRIVATE
+    DllCanUnloadNow     PRIVATE

src/modules/previewpane/PdfThumbnailProviderCpp/PdfThumbnailProvider.cpp

@@ -0,0 +1,181 @@
+#include "pch.h"
+#include "PdfThumbnailProvider.h"
+
+#include <filesystem>
+#include <fstream>
+#include <shellapi.h>
+#include <Shlwapi.h>
+#include <string>
+
+#include <wil/com.h>
+
+#include <common/interop/shared_constants.h>
+#include <common/logger/logger.h>
+#include <common/SettingsAPI/settings_helpers.h>
+#include <common/utils/process_path.h>
+
+extern HINSTANCE g_hInst;
+extern long g_cDllRef;
+
+PdfThumbnailProvider::PdfThumbnailProvider() :
+    m_cRef(1), m_pStream(NULL), m_process(NULL)
+{
+    std::filesystem::path logFilePath(PTSettingsHelper::get_local_low_folder_location());
+    logFilePath.append(LogSettings::pdfThumbLogPath);
+    Logger::init(LogSettings::pdfThumbLoggerName, logFilePath.wstring(), PTSettingsHelper::get_log_settings_file_location());
+
+    InterlockedIncrement(&g_cDllRef);
+}
+
+PdfThumbnailProvider::~PdfThumbnailProvider()
+{
+    InterlockedDecrement(&g_cDllRef);
+}
+
+#pragma region IUnknown
+
+IFACEMETHODIMP PdfThumbnailProvider::QueryInterface(REFIID riid, void** ppv)
+{
+    static const QITAB qit[] = {
+        QITABENT(PdfThumbnailProvider, IThumbnailProvider),
+        QITABENT(PdfThumbnailProvider, IInitializeWithStream),
+        { 0 },
+    };
+    return QISearch(this, qit, riid, ppv);
+}
+
+IFACEMETHODIMP_(ULONG)
+PdfThumbnailProvider::AddRef()
+{
+    return InterlockedIncrement(&m_cRef);
+}
+
+IFACEMETHODIMP_(ULONG)
+PdfThumbnailProvider::Release()
+{
+    ULONG cRef = InterlockedDecrement(&m_cRef);
+    if (0 == cRef)
+    {
+        delete this;
+    }
+    return cRef;
+}
+
+#pragma endregion
+
+#pragma region IInitializationWithStream
+
+IFACEMETHODIMP PdfThumbnailProvider::Initialize(IStream* pStream, DWORD grfMode)
+{
+    HRESULT hr = E_INVALIDARG;
+    if (pStream)
+    {
+        // Initialize can be called more than once, so release existing valid
+        // m_pStream.
+        if (m_pStream)
+        {
+            m_pStream->Release();
+            m_pStream = NULL;
+        }
+
+        m_pStream = pStream;
+        m_pStream->AddRef();
+        hr = S_OK;
+    }
+    return hr;
+}
+
+#pragma endregion
+
+#pragma region IThumbnailProvider
+
+IFACEMETHODIMP PdfThumbnailProvider::GetThumbnail(UINT cx, HBITMAP* phbmp, WTS_ALPHATYPE* pdwAlpha)
+{
+    // Read stream into the buffer
+    char buffer[4096];
+    ULONG cbRead;
+
+    Logger::trace(L"Begin");
+
+    GUID guid;
+    if (CoCreateGuid(&guid) == S_OK)
+    {
+        wil::unique_cotaskmem_string guidString;
+        if (SUCCEEDED(StringFromCLSID(guid, &guidString)))
+        {
+            Logger::info(L"Read stream and save to tmp file.");
+
+            // {CLSID} -> CLSID
+            std::wstring guid = std::wstring(guidString.get()).substr(1, std::wstring(guidString.get()).size() - 2);
+            std::wstring filePath = PTSettingsHelper::get_local_low_folder_location() + L"\\PdfThumbnail-Temp\\";
+            if (!std::filesystem::exists(filePath))
+            {
+                std::filesystem::create_directories(filePath);
+            }
+
+            std::wstring fileName = filePath + guid + L".pdf";
+
+            // Write data to tmp file
+            std::fstream file;
+            file.open(fileName, std::ios_base::out | std::ios_base::binary);
+
+            if (!file.is_open())
+            {
+                return 0;
+            }
+
+            while (true)
+            {
+                auto result = m_pStream->Read(buffer, 4096, &cbRead);
+
+                file.write(buffer, cbRead);
+                if (result == S_FALSE)
+                {
+                    break;
+                }
+            }
+            file.close();
+
+            try
+            {
+                Logger::info(L"Start PdfThumbnailProvider.exe");
+
+                STARTUPINFO info = { sizeof(info) };
+                std::wstring cmdLine{ L"\"" + fileName + L"\"" };
+                cmdLine += L" ";
+                cmdLine += std::to_wstring(cx);
+
+                std::wstring appPath = get_module_folderpath(g_hInst) + L"\\PowerToys.PdfThumbnailProvider.exe";
+
+                SHELLEXECUTEINFO sei{ sizeof(sei) };
+                sei.fMask = { SEE_MASK_NOCLOSEPROCESS | SEE_MASK_FLAG_NO_UI };
+                sei.lpFile = appPath.c_str();
+                sei.lpParameters = cmdLine.c_str();
+                sei.nShow = SW_SHOWDEFAULT;
+                ShellExecuteEx(&sei);
+                m_process = sei.hProcess;
+                WaitForSingleObject(m_process, INFINITE);
+                std::filesystem::remove(fileName);
+
+                std::wstring fileNameBmp = filePath + guid + L".bmp";
+                *phbmp = (HBITMAP)LoadImage(NULL, fileNameBmp.c_str(), IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE);
+                *pdwAlpha = WTS_ALPHATYPE::WTSAT_ARGB;
+
+                std::filesystem::remove(fileNameBmp);
+            }
+            catch (std::exception& e)
+            {
+                std::wstring errorMessage = std::wstring{ winrt::to_hstring(e.what()) };
+                Logger::error(L"Failed to start PdfThumbnailProvider.exe. Error: {}", errorMessage);
+            }
+        }
+    }
+
+    return S_OK;
+}
+
+#pragma endregion
+
+#pragma region Helper Functions
+
+#pragma endregion

src/modules/previewpane/PdfThumbnailProviderCpp/PdfThumbnailProvider.h

@@ -0,0 +1,37 @@
+#pragma once
+
+#include "pch.h"
+
+#include <ShlObj.h>
+#include <string>
+#include <thumbcache.h>
+
+class PdfThumbnailProvider :
+    public IInitializeWithStream,
+    public IThumbnailProvider
+{
+public:
+    // IUnknown
+    IFACEMETHODIMP QueryInterface(REFIID riid, void** ppv);
+    IFACEMETHODIMP_(ULONG) AddRef();
+    IFACEMETHODIMP_(ULONG) Release();
+
+    // IInitializeWithStream
+    IFACEMETHODIMP Initialize(IStream* pstream, DWORD grfMode);
+
+    // IPreviewHandler
+    IFACEMETHODIMP GetThumbnail(UINT cx, HBITMAP* phbmp, WTS_ALPHATYPE* pdwAlpha);
+
+    PdfThumbnailProvider();
+protected:
+    ~PdfThumbnailProvider();
+
+private:
+    // Reference count of component.
+    long m_cRef;
+
+    // Provided during initialization.
+    IStream* m_pStream;
+
+    HANDLE m_process;
+};

src/modules/previewpane/PdfThumbnailProviderCpp/PdfThumbnailProviderCpp.rc

@@ -0,0 +1,40 @@
+#include <windows.h>
+#include "resource.h"
+#include "../../../common/version/version.h"
+
+#define APSTUDIO_READONLY_SYMBOLS
+#include "winres.h"
+#undef APSTUDIO_READONLY_SYMBOLS
+
+1 VERSIONINFO
+FILEVERSION FILE_VERSION
+PRODUCTVERSION PRODUCT_VERSION
+FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
+#ifdef _DEBUG
+FILEFLAGS VS_FF_DEBUG
+#else
+FILEFLAGS 0x0L
+#endif
+FILEOS VOS_NT_WINDOWS32
+FILETYPE VFT_DLL
+FILESUBTYPE VFT2_UNKNOWN
+BEGIN
+    BLOCK "StringFileInfo"
+    BEGIN
+        BLOCK "040904b0" // US English (0x0409), Unicode (0x04B0) charset
+        BEGIN
+            VALUE "CompanyName", COMPANY_NAME
+            VALUE "FileDescription", FILE_DESCRIPTION
+            VALUE "FileVersion", FILE_VERSION_STRING
+            VALUE "InternalName", INTERNAL_NAME
+            VALUE "LegalCopyright", COPYRIGHT_NOTE
+            VALUE "OriginalFilename", ORIGINAL_FILENAME
+            VALUE "ProductName", PRODUCT_NAME
+            VALUE "ProductVersion", PRODUCT_VERSION_STRING
+        END
+    END
+    BLOCK "VarFileInfo"
+    BEGIN
+        VALUE "Translation", 0x409, 1200 // US English (0x0409), Unicode (1200) charset
+    END
+END

src/modules/previewpane/PdfThumbnailProviderCpp/PdfThumbnailProviderCpp.vcxproj

@@ -0,0 +1,121 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\..\..\..\packages\Microsoft.Windows.CppWinRT.2.0.220929.3\build\native\Microsoft.Windows.CppWinRT.props" Condition="Exists('..\..\..\..\packages\Microsoft.Windows.CppWinRT.2.0.220929.3\build\native\Microsoft.Windows.CppWinRT.props')" />
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>16.0</VCProjectVersion>
+    <Keyword>Win32Proj</Keyword>
+    <ProjectGuid>{ca5518ed-0458-4b09-8f53-4122b9888655}</ProjectGuid>
+    <RootNamespace>PdfThumbnailProviderCpp</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup>
+    <OutDir>$(SolutionDir)$(Platform)\$(Configuration)\modules\FileExplorerPreview\</OutDir>
+  </PropertyGroup>
+  <PropertyGroup>
+    <TargetName>PowerToys.$(ProjectName)</TargetName>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)'=='Debug'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_DEBUG;MARKDOWNPREVIEWHANDLERCPP_EXPORTS;_WINDOWS;_USRDLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <PrecompiledHeader>Use</PrecompiledHeader>
+      <AdditionalIncludeDirectories>../../..</AdditionalIncludeDirectories>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableUAC>false</EnableUAC>
+      <ModuleDefinitionFile>GlobalExportFunctions.def</ModuleDefinitionFile>
+      <AdditionalDependencies>Shlwapi.lib;$(CoreLibraryDependencies);%(AdditionalDependencies)</AdditionalDependencies>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)'=='Release'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>NDEBUG;MARKDOWNPREVIEWHANDLERCPP_EXPORTS;_WINDOWS;_USRDLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <PrecompiledHeader>Use</PrecompiledHeader>
+      <AdditionalIncludeDirectories>../../..</AdditionalIncludeDirectories>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableUAC>false</EnableUAC>
+      <ModuleDefinitionFile>GlobalExportFunctions.def</ModuleDefinitionFile>
+      <AdditionalDependencies>Shlwapi.lib;$(CoreLibraryDependencies);%(AdditionalDependencies)</AdditionalDependencies>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClInclude Include="ClassFactory.h" />
+    <ClInclude Include="pch.h" />
+    <ClInclude Include="PdfThumbnailProvider.h" />
+    <ClInclude Include="resource.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="ClassFactory.cpp" />
+    <ClCompile Include="dllmain.cpp" />
+    <ClCompile Include="pch.cpp">
+      <PrecompiledHeader>Create</PrecompiledHeader>
+    </ClCompile>
+    <ClCompile Include="PdfThumbnailProvider.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="GlobalExportFunctions.def" />
+    <None Include="packages.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\common\logger\logger.vcxproj">
+      <Project>{d9b8fc84-322a-4f9f-bbb9-20915c47ddfd}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\common\SettingsAPI\SettingsAPI.vcxproj">
+      <Project>{6955446d-23f7-4023-9bb3-8657f904af99}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="PdfThumbnailProviderCpp.rc" />
+  </ItemGroup>
+  <Import Project="..\..\..\..\deps\spdlog.props" />
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+    <Import Project="..\..\..\..\packages\Microsoft.Windows.ImplementationLibrary.1.0.220914.1\build\native\Microsoft.Windows.ImplementationLibrary.targets" Condition="Exists('..\..\..\..\packages\Microsoft.Windows.ImplementationLibrary.1.0.220914.1\build\native\Microsoft.Windows.ImplementationLibrary.targets')" />
+    <Import Project="..\..\..\..\packages\Microsoft.Windows.CppWinRT.2.0.220929.3\build\native\Microsoft.Windows.CppWinRT.targets" Condition="Exists('..\..\..\..\packages\Microsoft.Windows.CppWinRT.2.0.220929.3\build\native\Microsoft.Windows.CppWinRT.targets')" />
+  </ImportGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\..\..\..\packages\Microsoft.Windows.ImplementationLibrary.1.0.220914.1\build\native\Microsoft.Windows.ImplementationLibrary.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\packages\Microsoft.Windows.ImplementationLibrary.1.0.220914.1\build\native\Microsoft.Windows.ImplementationLibrary.targets'))" />
+    <Error Condition="!Exists('..\..\..\..\packages\Microsoft.Windows.CppWinRT.2.0.220929.3\build\native\Microsoft.Windows.CppWinRT.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\packages\Microsoft.Windows.CppWinRT.2.0.220929.3\build\native\Microsoft.Windows.CppWinRT.props'))" />
+    <Error Condition="!Exists('..\..\..\..\packages\Microsoft.Windows.CppWinRT.2.0.220929.3\build\native\Microsoft.Windows.CppWinRT.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\packages\Microsoft.Windows.CppWinRT.2.0.220929.3\build\native\Microsoft.Windows.CppWinRT.targets'))" />
+  </Target>
+</Project>

src/modules/previewpane/PdfThumbnailProviderCpp/PdfThumbnailProviderCpp.vcxproj.filters

@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Header Files">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
+    </Filter>
+    <Filter Include="Resource Files">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="pch.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="ClassFactory.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="PdfThumbnailProvider.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="resource.h">
+      <Filter>Resource Files</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="dllmain.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="pch.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="ClassFactory.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="PdfThumbnailProvider.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="GlobalExportFunctions.def">
+      <Filter>Source Files</Filter>
+    </None>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <Natvis Include="$(MSBuildThisFileDirectory)..\..\natvis\wil.natvis" />
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="PdfThumbnailProviderCpp.rc">
+      <Filter>Resource Files</Filter>
+    </ResourceCompile>
+  </ItemGroup>
+</Project>

src/modules/previewpane/PdfThumbnailProviderCpp/dllmain.cpp

@@ -0,0 +1,73 @@
+// dllmain.cpp : Defines the entry point for the DLL application.
+#include "pch.h"
+#include "ClassFactory.h"
+
+HINSTANCE g_hInst = NULL;
+long g_cDllRef = 0;
+
+// {D8BB9942-93BD-412D-87E4-33FAB214DC1A}
+static const GUID CLSID_PdfThumbnailProvider = { 0xd8bb9942, 0x93bd, 0x412d, { 0x87, 0xe4, 0x33, 0xfa, 0xb2, 0x14, 0xdc, 0x1a } };
+
+BOOL APIENTRY DllMain(HMODULE hModule,
+                      DWORD ul_reason_for_call,
+                      LPVOID lpReserved)
+{
+    switch (ul_reason_for_call)
+    {
+    case DLL_PROCESS_ATTACH:
+        g_hInst = hModule;
+        DisableThreadLibraryCalls(hModule);
+        break;
+    case DLL_THREAD_ATTACH:
+    case DLL_THREAD_DETACH:
+    case DLL_PROCESS_DETACH:
+        break;
+    }
+    return TRUE;
+}
+
+//
+//   FUNCTION: DllGetClassObject
+//
+//   PURPOSE: Create the class factory and query to the specific interface.
+//
+//   PARAMETERS:
+//   * rclsid - The CLSID that will associate the correct data and code.
+//   * riid - A reference to the identifier of the interface that the caller
+//     is to use to communicate with the class object.
+//   * ppv - The address of a pointer variable that receives the interface
+//     pointer requested in riid. Upon successful return, *ppv contains the
+//     requested interface pointer. If an error occurs, the interface pointer
+//     is NULL.
+//
+STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void** ppv)
+{
+    HRESULT hr = CLASS_E_CLASSNOTAVAILABLE;
+
+    if (IsEqualCLSID(CLSID_PdfThumbnailProvider, rclsid))
+    {
+        hr = E_OUTOFMEMORY;
+
+        ClassFactory* pClassFactory = new ClassFactory();
+        if (pClassFactory)
+        {
+            hr = pClassFactory->QueryInterface(riid, ppv);
+            pClassFactory->Release();
+        }
+    }
+
+    return hr;
+}
+
+//
+//   FUNCTION: DllCanUnloadNow
+//
+//   PURPOSE: Check if we can unload the component from the memory.
+//
+//   NOTE: The component can be unloaded from the memory when its reference
+//   count is zero (i.e. nobody is still using the component).
+//
+STDAPI DllCanUnloadNow(void)
+{
+    return g_cDllRef > 0 ? S_FALSE : S_OK;
+}

src/modules/previewpane/PdfThumbnailProviderCpp/packages.config

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Microsoft.Windows.CppWinRT" version="2.0.220929.3" targetFramework="native" />
+  <package id="Microsoft.Windows.ImplementationLibrary" version="1.0.220914.1" targetFramework="native" />
+</packages>

src/modules/previewpane/PdfThumbnailProviderCpp/pch.cpp

@@ -0,0 +1,5 @@
+// pch.cpp: source file corresponding to the pre-compiled header
+
+#include "pch.h"
+
+// When you are using pre-compiled headers, this source file is necessary for compilation to succeed.

src/modules/previewpane/PdfThumbnailProviderCpp/pch.h

@@ -0,0 +1,14 @@
+// pch.h: This is a precompiled header file.
+// Files listed below are compiled only once, improving build performance for future builds.
+// This also affects IntelliSense performance, including code completion and many code browsing features.
+// However, files listed here are ALL re-compiled if any one of them is updated between builds.
+// Do not add files here that you will be updating frequently as this negates the performance advantage.
+
+#ifndef PCH_H
+#define PCH_H
+
+#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
+// Windows Header Files
+#include <windows.h>
+
+#endif //PCH_H

src/modules/previewpane/PdfThumbnailProviderCpp/resource.h

@@ -0,0 +1,13 @@
+//{{NO_DEPENDENCIES}}
+// Microsoft Visual C++ generated include file.
+// Used by AlwaysOnTopModuleInterface.rc
+
+//////////////////////////////
+// Non-localizable
+
+#define FILE_DESCRIPTION "PowerToys Pdf Thumbnail Provider Module"
+#define INTERNAL_NAME "PowerToys.PdfThumbnailProviderCpp"
+#define ORIGINAL_FILENAME "PowerToys.PdfThumbnailProviderCpp.dll"
+
+// Non-localizable
+//////////////////////////////