Update MainWindow.axaml.cs

GridDemo/MainWindow.axaml.cs

@@ -25,8 +25,8 @@ namespace GridDemo
         private void LayoutComboBox_OnSelectionChanged(object? sender, SelectionChangedEventArgs e)
         {
             (this.DataContext as MainWindowViewModel)?.UpdateTiles();
-            TilesItemsControl?.InvalidateMeasure();
-            TilesItemsControl?.InvalidateArrange();
+            //TilesItemsControl?.InvalidateMeasure();
+            //TilesItemsControl?.InvalidateArrange();
         }
     }
 }