diff --git a/src/Avalonia.Controls/Utils/CollectionChangedEventManager.cs b/src/Avalonia.Controls/Utils/CollectionChangedEventManager.cs index 9d13daa453..675e9e13e5 100644 --- a/src/Avalonia.Controls/Utils/CollectionChangedEventManager.cs +++ b/src/Avalonia.Controls/Utils/CollectionChangedEventManager.cs @@ -141,7 +141,7 @@ namespace Avalonia.Controls.Utils else { var eCapture = e; - Dispatcher.UIThread.Post(() => Notify(_collection, eCapture, l)); + Dispatcher.UIThread.Post(() => Notify(_collection, eCapture, l), DispatcherPriority.Send); } } }