Public Shared Sub AddPreviewMouseDownHandler( _
   ByVal element As UIElement, _
   ByVal handler As MouseButtonEventHandler _
) 

Dim element As UIElement
Dim handler As MouseButtonEventHandler
 
Mouse.AddPreviewMouseDownHandler(element, handler)

public static void AddPreviewMouseDownHandler( 
   UIElement element,
   MouseButtonEventHandler handler
)

public procedure AddPreviewMouseDownHandler( 
    element: UIElement;
    handler: MouseButtonEventHandler
); static; 

public static function AddPreviewMouseDownHandler( 
   element : UIElement,
   handler : MouseButtonEventHandler
);

public: static void AddPreviewMouseDownHandler( 
   UIElement* element,
   MouseButtonEventHandler* handler
) 

public:
static void AddPreviewMouseDownHandler( 
   UIElement^ element,
   MouseButtonEventHandler^ handler
)