[PT Run] Closing PT Run and new settings app when PowerToys is not running (#3853)

Closing PowerLauncher, FZ Editor and new settings app when PowerToys is not running

src/modules/fancyzones/editor/FancyZonesEditor/App.xaml.cs

@@ -2,6 +2,9 @@
 // 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.Runtime.InteropServices;
+using System.Threading.Tasks;
 using System.Windows;
 using FancyZonesEditor.Models;
 
@@ -21,6 +24,8 @@ namespace FancyZonesEditor
 
         private void OnStartup(object sender, StartupEventArgs e)
         {
+            WaitForPowerToysRunner();
+
             LayoutModel foundModel = null;
 
             foreach (LayoutModel model in ZoneSettings.DefaultModels)
@@ -57,5 +62,27 @@ namespace FancyZonesEditor
             overlay.Show();
             overlay.DataContext = foundModel;
         }
+
+        [DllImport("kernel32.dll", SetLastError = true)]
+        public static extern IntPtr OpenProcess(uint processAccess, bool bInheritHandle, int processId);
+
+        [DllImport("kernel32.dll", SetLastError = true)]
+        private static extern uint WaitForSingleObject(IntPtr hHandle, uint dwMilliseconds);
+
+        private void WaitForPowerToysRunner()
+        {
+            Task.Run(() =>
+            {
+                const uint INFINITE = 0xFFFFFFFF;
+                const uint WAIT_OBJECT_0 = 0x00000000;
+                const uint SYNCHRONIZE = 0x00100000;
+
+                IntPtr powerToysProcHandle = OpenProcess(SYNCHRONIZE, false, Settings.PowerToysPID);
+                if (WaitForSingleObject(powerToysProcHandle, INFINITE) == WAIT_OBJECT_0)
+                {
+                    Environment.Exit(0);
+                }
+            });
+        }
     }
 }

src/modules/fancyzones/editor/FancyZonesEditor/Models/Settings.cs

@@ -25,6 +25,7 @@ namespace FancyZonesEditor
             ActiveZoneSetTmpFile,
             AppliedZoneSetTmpFile,
             CustomZoneSetsTmpFile,
+            PowerToysPID,
         }
 
         private static CanvasLayoutModel _blankCustomModel;
@@ -242,6 +243,13 @@ namespace FancyZonesEditor
 
         private static string _customZoneSetsTmpFile;
 
+        public static int PowerToysPID
+        {
+            get { return _powerToysPID; }
+        }
+
+        private static int _powerToysPID;
+
         // UpdateLayoutModels
         // Update the five default layouts based on the new ZoneCount
         private void UpdateLayoutModels()
@@ -410,7 +418,7 @@ namespace FancyZonesEditor
             WorkArea = SystemParameters.WorkArea;
 
             string[] args = Environment.GetCommandLineArgs();
-            if (args.Length == 5)
+            if (args.Length == 6)
             {
                 var parsedLocation = args[(int)CmdArgs.X_Y_Width_Height].Split('_');
                 var x = int.Parse(parsedLocation[0]);
@@ -424,6 +432,8 @@ namespace FancyZonesEditor
                 _appliedZoneSetTmpFile = args[(int)CmdArgs.AppliedZoneSetTmpFile];
                 _customZoneSetsTmpFile = args[(int)CmdArgs.CustomZoneSetsTmpFile];
 
+                int.TryParse(args[(int)CmdArgs.PowerToysPID], out _powerToysPID);
+
                 ParseDeviceInfoData();
             }
         }

src/modules/fancyzones/lib/FancyZones.cpp

@@ -485,7 +485,8 @@ void FancyZones::ToggleEditor() noexcept
         /*1*/ editorLocation + L" " +
         /*2*/ L"\"" + ZoneWindowUtils::GetActiveZoneSetTmpPath() + L"\" " +
         /*3*/ L"\"" + ZoneWindowUtils::GetAppliedZoneSetTmpPath() + L"\" " +
-        /*4*/ L"\"" + ZoneWindowUtils::GetCustomZoneSetsTmpPath() + L"\"";
+        /*4*/ L"\"" + ZoneWindowUtils::GetCustomZoneSetsTmpPath() + L"\" " +
+        /*5*/ L"\"" + std::to_wstring(GetCurrentProcessId()) + L"\"";
 
     SHELLEXECUTEINFO sei{ sizeof(sei) };
     sei.fMask = { SEE_MASK_NOCLOSEPROCESS | SEE_MASK_FLAG_NO_UI };