UIElement.OnPreviewTouchDown(TouchEventArgs) Method
Definition
Important
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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 -> unitProtected Overridable Sub OnPreviewTouchDown (e As TouchEventArgs)Parameters
A TouchEventArgs that contains the event data.
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
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