Don't use Environment.Exit (#20532)

* [Awake] Don't use Process.Exit and move to CsWin32

* [PowerLauncher] Remove unused API

* [ColorPicker] Use cancellable NativeEventWaiter + cleanup using

* [TextExtractor] Don't use Environment.Exit

* [MeasureTool] Don't use Environment.Exit(0);

* [FZE] don't use Environment.Exit and fix WaitForPowerToysRunner

src/modules/colorPicker/ColorPickerUI/App.xaml.cs

@@ -3,6 +3,7 @@
 // See the LICENSE file in the project root for more information.
 
 using System;
+using System.ComponentModel.Composition;
 using System.Threading;
 using System.Windows;
 using ColorPicker.Helpers;
@@ -23,8 +24,16 @@ namespace ColorPickerUI
         private bool disposedValue;
         private ThemeManager _themeManager;
 
+        private CancellationTokenSource NativeThreadCTS { get; set; }
+
+        [Export]
+        private static CancellationToken ExitToken { get; set; }
+
         protected override void OnStartup(StartupEventArgs e)
         {
+            NativeThreadCTS = new CancellationTokenSource();
+            ExitToken = NativeThreadCTS.Token;
+
             _args = e?.Args;
 
             // allow only one instance of color picker
@@ -33,7 +42,7 @@ namespace ColorPickerUI
             {
                 Logger.LogWarning("There is ColorPicker instance running. Exiting Color Picker");
                 _instanceMutex = null;
-                Environment.Exit(0);
+                Shutdown(0);
                 return;
             }
 
@@ -45,7 +54,8 @@ namespace ColorPickerUI
                 RunnerHelper.WaitForPowerToysRunner(_powerToysRunnerPid, () =>
                 {
                     Logger.LogInfo("PowerToys Runner exited. Exiting ColorPicker");
-                    Environment.Exit(0);
+                    NativeThreadCTS.Cancel();
+                    Dispatcher.Invoke(Shutdown);
                 });
             }
             else

src/modules/colorPicker/ColorPickerUI/Controls/ColorFormatControl.xaml.cs

@@ -7,7 +7,6 @@ using System.Globalization;
 using System.Windows;
 using System.Windows.Automation.Peers;
 using System.Windows.Controls;
-using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Media.Animation;
 using ColorPicker.Helpers;

src/modules/colorPicker/ColorPickerUI/Controls/HSVColor.cs

@@ -3,11 +3,7 @@
 // See the LICENSE file in the project root for more information.
 
 using System;
-using System.Windows;
-using System.Windows.Controls;
-using System.Windows.Input;
 using System.Windows.Media;
-using System.Windows.Media.Animation;
 
 namespace ColorPicker.Controls
 {

src/modules/colorPicker/ColorPickerUI/Converters/ColorToBrushConverter.cs

@@ -4,7 +4,6 @@
 
 using System;
 using System.Globalization;
-using System.Windows;
 using System.Windows.Data;
 using System.Windows.Media;
 

src/modules/colorPicker/ColorPickerUI/Helpers/NativeEventWaiter.cs

@@ -1,29 +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.Threading;
-using System.Windows;
-
-namespace ColorPicker.Helpers
-{
-    public static class NativeEventWaiter
-    {
-        public static void WaitForEventLoop(string eventName, Action callback)
-        {
-            new Thread(() =>
-            {
-                var eventHandle = new EventWaitHandle(false, EventResetMode.AutoReset, eventName);
-                while (true)
-                {
-                    if (eventHandle.WaitOne())
-                    {
-                        Logger.LogInfo($"Successfully waited for {eventName}");
-                        Application.Current.Dispatcher.Invoke(callback);
-                    }
-                }
-            }).Start();
-        }
-    }
-}

src/modules/colorPicker/ColorPickerUI/Helpers/ZoomWindowHelper.cs

@@ -7,11 +7,8 @@ using System.ComponentModel.Composition;
 using System.Drawing;
 using System.Drawing.Imaging;
 using System.IO;
-using System.Windows;
 using System.Windows.Media.Imaging;
-using ColorPicker.Telemetry;
 using ColorPicker.ViewModelContracts;
-using Microsoft.PowerToys.Telemetry;
 
 namespace ColorPicker.Helpers
 {

src/modules/colorPicker/ColorPickerUI/Keyboard/KeyboardMonitor.cs

@@ -8,10 +8,7 @@ using System.ComponentModel.Composition;
 using System.Windows.Input;
 using ColorPicker.Helpers;
 using ColorPicker.Settings;
-using ColorPicker.Telemetry;
-using Microsoft.PowerToys.Settings.UI.Library.Enumerations;
 using Microsoft.PowerToys.Settings.UI.Library.Utilities;
-using Microsoft.PowerToys.Telemetry;
 using static ColorPicker.NativeMethods;
 
 namespace ColorPicker.Keyboard

src/modules/colorPicker/ColorPickerUI/Program.cs

@@ -5,7 +5,6 @@
 using System;
 using ColorPicker.Helpers;
 using ColorPicker.Mouse;
-
 using ColorPickerUI;
 
 namespace ColorPicker

src/modules/colorPicker/ColorPickerUI/Telemetry/ColorPickerSession.cs

@@ -2,7 +2,6 @@
 // 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.Tracing;
 using Microsoft.PowerToys.Telemetry;
 using Microsoft.PowerToys.Telemetry.Events;

src/modules/colorPicker/ColorPickerUI/ViewModels/MainViewModel.cs

@@ -4,7 +4,6 @@
 
 using System;
 using System.ComponentModel.Composition;
-using System.Runtime.InteropServices;
 using System.Threading;
 using System.Windows;
 using System.Windows.Media;
@@ -13,11 +12,9 @@ using ColorPicker.Helpers;
 using ColorPicker.Keyboard;
 using ColorPicker.Mouse;
 using ColorPicker.Settings;
-using ColorPicker.Telemetry;
 using ColorPicker.ViewModelContracts;
+using Common.UI;
 using interop;
-using Microsoft.PowerToys.Settings.UI.Library.Enumerations;
-using Microsoft.PowerToys.Telemetry;
 
 namespace ColorPicker.ViewModels
 {
@@ -49,13 +46,24 @@ namespace ColorPicker.ViewModels
             ZoomWindowHelper zoomWindowHelper,
             AppStateHandler appStateHandler,
             KeyboardMonitor keyboardMonitor,
-            IUserSettings userSettings)
+            IUserSettings userSettings,
+            CancellationToken exitToken)
         {
             _zoomWindowHelper = zoomWindowHelper;
             _appStateHandler = appStateHandler;
             _userSettings = userSettings;
-            NativeEventWaiter.WaitForEventLoop(Constants.ShowColorPickerSharedEvent(), _appStateHandler.StartUserSession);
-            NativeEventWaiter.WaitForEventLoop(Constants.ColorPickerSendSettingsTelemetryEvent(), _userSettings.SendSettingsTelemetry);
+
+            NativeEventWaiter.WaitForEventLoop(
+                Constants.ShowColorPickerSharedEvent(),
+                _appStateHandler.StartUserSession,
+                Application.Current.Dispatcher,
+                exitToken);
+
+            NativeEventWaiter.WaitForEventLoop(
+                Constants.ColorPickerSendSettingsTelemetryEvent(),
+                _userSettings.SendSettingsTelemetry,
+                Application.Current.Dispatcher,
+                exitToken);
 
             if (mouseInfoProvider != null)
             {

src/modules/colorPicker/ColorPickerUI/ZoomWindow.xaml.cs

@@ -2,7 +2,6 @@
 // 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.ComponentModel;
 using System.Windows;
 
 namespace ColorPicker