protected override void Dispose(bool disposeManagedResources) { if (!_disposed) { if (disposeManagedResources) { controls.Clear(); controls.ControlAdded -= new BehaviorControlCollection.ControlEvent(controls_ControlAdded); controls.ControlRemoved -= new BehaviorControlCollection.ControlEvent(controls_ControlRemoved); Debug.Assert(EditorContext != null); EditorContext.PreHandleEvent -= new HtmlEditDesignerEventHandler(HandlePreHandleEvent); EditorContext.KeyDown -= new HtmlEventHandler(editorContext_KeyDown); } _disposed = true; } base.Dispose(disposeManagedResources); }