public void RemoveRoutedEventHandler(RoutedEvent routedEvent, RoutedEventHandler handler)
 {
     ProxiedElement.RemoveHandler(routedEvent, handler);
 }
 internal void RaiseEvent(RoutedEventArgs eventArgs)
 {
     ProxiedElement.RaiseEvent(eventArgs);
 }
 public void AddRoutedEventHandler(RoutedEvent routedEvent, RoutedEventHandler handler)
 {
     ProxiedElement.AddHandler(routedEvent, handler);
 }