Fix for WindowsAppSDK Interface error (from CsWinRT)

michael-hawker · ahmed605 · michael-hawker · commit a8bacd0d2a56 · 2025-11-19T11:34:25.000-08:00
Co-authored-by: Ahmed <ahmed.walid605@yahoo.com> I had missed the warning from CsWinRT, big thanks to @ahmed605 for helping debug this issue in the Windows App Community Discord!
diff --git a/components/Adorners/src/AdornerDecorator.cs b/components/Adorners/src/AdornerDecorator.cs
@@ -9,7 +9,7 @@ namespace CommunityToolkit.WinUI;
 /// </summary>
 [TemplatePart(Name = PartAdornerLayer, Type = typeof(AdornerLayer))]
 [ContentProperty(Name = nameof(Child))]
-public sealed class AdornerDecorator : Control
+public sealed partial class AdornerDecorator : Control
 {
     private const string PartAdornerLayer = "AdornerLayer";
 

Original file line number	Diff line number	Diff line change
`@@ -9,7 +9,7 @@ namespace CommunityToolkit.WinUI;`
`9`	`9`	`/// </summary>`
`10`	`10`	`[TemplatePart(Name = PartAdornerLayer, Type = typeof(AdornerLayer))]`
`11`	`11`	`[ContentProperty(Name = nameof(Child))]`
`12`		`-public sealed class AdornerDecorator : Control`
	`12`	`+public sealed partial class AdornerDecorator : Control`
`13`	`13`	`{`
`14`	`14`	`private const string PartAdornerLayer = "AdornerLayer";`
`15`	`15`