public static void AddPreviewIdentifiedTouchLeaveHandler(DependencyObject d, RoutedIdentifiedTouchEventHandler handler)
 {
     UIElement uie = d as UIElement;
     if (uie != null)
     {
         uie.AddHandler(IdentifiedEvents.PreviewIdentifiedTouchLeaveEvent, handler);
     }
 }
 public static void RemovePreviewIdentifiedTouchUpHandler(DependencyObject d, RoutedIdentifiedTouchEventHandler handler)
 {
     UIElement uie = d as UIElement;
     if (uie != null)
     {
         uie.RemoveHandler(IdentifiedEvents.PreviewIdentifiedTouchUpEvent, handler);
     }
 }
 public static void AddIdentifiedTouchEnterHandler(DependencyObject d, RoutedIdentifiedTouchEventHandler handler)
 {
     UIElement uie = d as UIElement;
     if (uie != null)
     {
         uie.AddHandler(IdentifiedEvents.IdentifiedTouchEnterEvent, handler);
     }
 }