ContentElement.OnPreviewTouchDown(TouchEventArgs) ContentElement.OnPreviewTouchDown(TouchEventArgs) ContentElement.OnPreviewTouchDown(TouchEventArgs) ContentElement.OnPreviewTouchDown(TouchEventArgs) Method

Definición

Proporciona control de clases para el evento enrutado PreviewTouchDown que se produce cuando una entrada táctil presiona este elemento.Provides class handling for the PreviewTouchDown routed event that occurs when a touch presses this element.

protected public:
 virtual void OnPreviewTouchDown(System::Windows::Input::TouchEventArgs ^ e);
protected internal virtual void OnPreviewTouchDown (System.Windows.Input.TouchEventArgs e);
abstract member OnPreviewTouchDown : System.Windows.Input.TouchEventArgs -> unit
override this.OnPreviewTouchDown : System.Windows.Input.TouchEventArgs -> unit
Protected Friend Overridable Sub OnPreviewTouchDown (e As TouchEventArgs)

Parámetros

e
TouchEventArgs TouchEventArgs TouchEventArgs TouchEventArgs

Objeto TouchEventArgs que contiene los datos del evento.A TouchEventArgs that contains the event data.

Comentarios

El OnPreviewTouchDown método no tiene ninguna implementación predeterminada.The OnPreviewTouchDown method has no default implementation. Invalidar OnPreviewTouchDown en una clase derivada para controlar la PreviewTouchDown eventos.Override OnPreviewTouchDown in a derived class to handle the PreviewTouchDown event. No olvide llamar a la clase base OnPreviewTouchDown método para que las clases base reciban el evento.Be sure to call the base class' OnPreviewTouchDown method so that base classes receive the event.

Se aplica a