Update TransparentTintBackdrop.cs

Fix dotMorten#207
ghost1372 · Jan 14, 2025 · fb55140 · fb55140
1 parent 3a4269a
commit fb55140
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/src/WinUIEx/TransparentTintBackdrop.cs b/src/WinUIEx/TransparentTintBackdrop.cs
@@ -1,6 +1,7 @@
 using Microsoft.UI.Composition;
 using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Hosting;
+using Microsoft.UI;
 using System;
 using System.Runtime.InteropServices;
 using Windows.Win32;
@@ -60,9 +61,7 @@ protected override Windows.UI.Composition.CompositionBrush CreateBrush(Windows.U
         /// <inheritdoc />
         protected override void OnTargetConnected(ICompositionSupportsSystemBackdrop connectedTarget, XamlRoot xamlRoot)
         {
-            var inspectable = connectedTarget.As<IInspectable>();
-            var xamlSource = DesktopWindowXamlSource.FromAbi(inspectable.ThisPtr);
-            var hWnd = xamlSource.SiteBridge.SiteView.EnvironmentView.AppWindowId.Value;
+            ulong hWnd = (ulong)Win32Interop.GetWindowFromWindowId(xamlRoot.ContentIslandEnvironment.AppWindowId);
 
             monitor = new WindowMessageMonitor((IntPtr)hWnd);
             monitor.WindowMessageReceived += Monitor_WindowMessageReceived;