UIElement.OnPreviewTouchDown(TouchEventArgs) UIElement.OnPreviewTouchDown(TouchEventArgs) UIElement.OnPreviewTouchDown(TouchEventArgs) UIElement.OnPreviewTouchDown(TouchEventArgs) Method

Definition

Provides class handling for the PreviewTouchDown routed event that occurs when a touch presses this element.

protected:
 virtual void OnPreviewTouchDown(System::Windows::Input::TouchEventArgs ^ e);
protected 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 Overridable Sub OnPreviewTouchDown (e As TouchEventArgs)

Parameters

Remarks

The OnPreviewTouchDown method has no default implementation. Override OnPreviewTouchDown in a derived class to handle the PreviewTouchDown event. Be sure to call the base class' OnPreviewTouchDown method so that base classes receive the event.

Applies to