public static void AddPreviewDragMoveHandler(FrameworkElement frameworkElement, DragMoveRoutedEventHandler handler) { frameworkElement.AddRoutedHandler(PreviewDragMoveEvent, handler); }
public static void RemoveDragMoveHandler(FrameworkElement frameworkElement, DragMoveRoutedEventHandler handler) { frameworkElement.RemoveRoutedHandler(DragMoveEvent, handler); }