handle WM_WTSSESSION_CHANGE message

Scighost · Dec 30, 2023 · 134f0c3 · 134f0c3
1 parent c7017fc
commit 134f0c3
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Showing 2 changed files with 19 additions and 18 deletions.
diff --git a/src/Starward/MyWindows/MainWindow.xaml.cs b/src/Starward/MyWindows/MainWindow.xaml.cs
@@ -10,6 +10,7 @@
 using System.Diagnostics;
 using System.IO;
 using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
 using System.Threading;
 using System.Threading.Tasks;
 using Vanara.PInvoke;
@@ -76,6 +77,7 @@ private void InitializeMainWindow()
         AdaptTitleBarButtonColorToActuallTheme();
         SetDragRectangles(new RectInt32(0, 0, 100000, len));
         AppWindow.SetIcon(Path.Combine(AppContext.BaseDirectory, @"Assets\logo.ico"));
+        WTSRegisterSessionNotification(WindowHandle, 0);
         if (AppWindow.Presenter is OverlappedPresenter presenter)
         {
             presenter.IsMaximizable = false;
@@ -186,6 +188,19 @@ public override nint WindowSubclassProc(HWND hWnd, uint uMsg, nint wParam, nint
                 return IntPtr.Zero;
             }
         }
+        if (uMsg == (uint)User32.WindowMessage.WM_WTSSESSION_CHANGE)
+        {
+            // WTS_SESSION_LOCK
+            if (wParam == 0x7)
+            {
+                mainPage?.PauseVideo(true);
+            }
+            // WTS_SESSION_UNLOCK 
+            if (wParam == 0x8)
+            {
+                mainPage?.PlayVideo(true);
+            }
+        }
         return base.WindowSubclassProc(hWnd, uMsg, wParam, lParam, uIdSubclass, dwRefData);
     }
 
@@ -229,6 +244,9 @@ public unsafe bool Handled
 
 
 
+    [LibraryImport("wtsapi32.dll")]
+    [return: MarshalAs(UnmanagedType.Bool)]
+    private static partial bool WTSRegisterSessionNotification(IntPtr hWnd, int dwFlags);
 
 
 }
diff --git a/src/Starward/Pages/MainPage.xaml.cs b/src/Starward/Pages/MainPage.xaml.cs
@@ -81,7 +81,6 @@ public MainPage()
     private async void Page_Loaded(object sender, RoutedEventArgs e)
     {
         MainWindow.Current.KeyDown += MainPage_KeyDown;
-        WTSRegisterSessionNotification(MainWindow.Current.BridgeHandle, 0);
         InitializeNavigationViewPaneDisplayMode();
         UpdateButtonEffect();
         await UpdateBackgroundImageAsync(true);
@@ -886,20 +885,6 @@ private void MainPage_KeyDown(object? sender, MainWindow.KeyDownEventArgs e)
             {
                 return;
             }
-            // todo
-            if (e.uMsg == (uint)User32.WindowMessage.WM_WTSSESSION_CHANGE)
-            {
-                // WTS_SESSION_LOCK
-                if (e.wParam == 0x7)
-                {
-                    PauseVideo(true);
-                }
-                // WTS_SESSION_UNLOCK 
-                if (e.wParam == 0x8)
-                {
-                    PlayVideo(true);
-                }
-            }
             if (e.wParam == (nint)User32.VK.VK_ESCAPE)
             {
                 PauseVideo();
@@ -916,9 +901,7 @@ private void MainPage_KeyDown(object? sender, MainWindow.KeyDownEventArgs e)
 
 
 
-    [LibraryImport("wtsapi32.dll")]
-    [return: MarshalAs(UnmanagedType.Bool)]
-    private static partial bool WTSRegisterSessionNotification(IntPtr hWnd, int dwFlags);
+
 
 
 }