Using "is" pattern

dotnet · Mar 22, 2023 · 1d45c75 · 1d45c75
1 parent 412e67a
commit 1d45c75
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/src/Microsoft.DotNet.Wpf/src/PresentationFramework/System/Windows/Controls/Validation.cs b/src/Microsoft.DotNet.Wpf/src/PresentationFramework/System/Windows/Controls/Validation.cs
@@ -420,9 +420,7 @@ private static object ShowValidationAdornerOperation(object arg)
 
         private static void ShowValidationAdornerWhenAdornerSiteGetsVisible(object sender, DependencyPropertyChangedEventArgs e)
         {
-            var adornerSite = sender as UIElement;
-
-            if (adornerSite == null)
+            if (!(sender is UIElement adornerSite))
             {
                 return;
             }