protected virtual void Dispose(bool isDisposing)
{
if (!isDisposing)
{
return;
}
if (this.editorElement != null)
{
TextCompositionManager.RemoveTextInputStartHandler((DependencyObject)this.editorElement, new TextCompositionEventHandler(this.OnTextInputStart));
TextCompositionManager.RemoveTextInputUpdateHandler((DependencyObject)this.editorElement, new TextCompositionEventHandler(this.OnTextInputUpdate));
this.editorElement.TextInput -= new TextCompositionEventHandler(this.OnTextInput);
this.editorElement.KeyDown -= new KeyEventHandler(this.OnKeyDown);
this.editorElement.MouseDown -= new MouseButtonEventHandler(this.OnMouseDown);
this.editorElement = (FrameworkElement)null;
}
if (this.codeAidEngine != null)
{
this.codeAidEngine.Dispose();
this.codeAidEngine = (XamlCodeAidEngine)null;
}
if (this.undoHistory == null)
{
return;
}
this.undoHistory.UndoRedoHappened -= new EventHandler <UndoRedoEventArgs>(this.OnUndoRedoHappened);
this.undoHistory = (UndoHistory)null;
}