Added surface dispose to DrawingSurfaceDemoBase (#18412)

1 year ago · 6a010a89f2
1 changed files with 4 additions and 0 deletions
--- a/samples/GpuInterop/DrawingSurfaceDemoBase.cs
+++ b/samples/GpuInterop/DrawingSurfaceDemoBase.cs
@ -33,7 +33,11 @@ public abstract class DrawingSurfaceDemoBase : Control, IGpuDemo
    protected override void OnDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs e)
    {
        if (_initialized)
+        {
+            Surface?.Dispose();
            FreeGraphicsResources();
+        }
+
        _initialized = false;
        base.OnDetachedFromLogicalTree(e);
    }