Fix: Fixed an issue where function does not work after closing window to background

Author: Jack251970

src/Files.App/App.xaml.cs

@@ -157,8 +157,6 @@ async Task ActivateAsync()
 				}
 
 				await AppLifecycleHelper.InitializeAppComponentsAsync();
-
-				MainWindow.Instance.HookWindowMessageReceivedEvent();
 			}
 		}
 
@@ -198,9 +196,6 @@ private void Window_Activated(object sender, WindowActivatedEventArgs args)
 		/// </remarks>
 		private async void Window_Closed(object sender, WindowEventArgs args)
 		{
-			// Unhook events for the window
-			MainWindow.Instance.UnhookWindowMessageReceivedEvent();
-
 			// Save application state and stop any background activity
 			IUserSettingsService userSettingsService = Ioc.Default.GetRequiredService<IUserSettingsService>();
 			StatusCenterViewModel statusCenterViewModel = Ioc.Default.GetRequiredService<StatusCenterViewModel>();

src/Files.App/MainWindow.xaml.cs

@@ -36,6 +36,8 @@ public MainWindow()
 			AppWindow.TitleBar.ButtonPressedBackgroundColor = Colors.Transparent;
 			AppWindow.TitleBar.ButtonHoverBackgroundColor = Colors.Transparent;
 			AppWindow.SetIcon(AppLifecycleHelper.AppIconPath);
+
+			WinUIEx.WindowManager.Get(this).WindowMessageReceived += WindowManager_WindowMessageReceived;
 		}
 
 		public void ShowSplashScreen()
@@ -351,16 +353,6 @@ public bool SetCanWindowToFront(bool canWindowToFront)
 			return false;
 		}
 
-		public void HookWindowMessageReceivedEvent()
-		{
-			WinUIEx.WindowManager.Get(this).WindowMessageReceived += WindowManager_WindowMessageReceived;
-		}
-
-		public void UnhookWindowMessageReceivedEvent()
-		{
-			WinUIEx.WindowManager.Get(this).WindowMessageReceived -= WindowManager_WindowMessageReceived;
-		}
-
 		private const int WM_WINDOWPOSCHANGING = 0x0046;
 		private void WindowManager_WindowMessageReceived(object? sender, WinUIEx.Messaging.WindowMessageEventArgs e)
 		{