UIElement.OnTouchEnter(TouchEventArgs) 方法
定义
为在触摸屏输入从此元素边界外部移动到其内部时发生的 TouchEnter 路由事件提供类处理。Provides class handling for the TouchEnter routed event that occurs when a touch moves from outside to inside the bounds of this element.
protected:
virtual void OnTouchEnter(System::Windows::Input::TouchEventArgs ^ e);
protected virtual void OnTouchEnter (System.Windows.Input.TouchEventArgs e);
abstract member OnTouchEnter : System.Windows.Input.TouchEventArgs -> unit
override this.OnTouchEnter : System.Windows.Input.TouchEventArgs -> unit
Protected Overridable Sub OnTouchEnter (e As TouchEventArgs)
参数
包含事件数据的 TouchEventArgs。A TouchEventArgs that contains the event data.
注解
OnTouchEnter 方法没有默认实现。The OnTouchEnter method has no default implementation. 重写派生类中的 OnTouchEnter 以处理 TouchEnter 事件。Override OnTouchEnter in a derived class to handle the TouchEnter event. 请确保调用基类的 OnTouchEnter 方法,以便基类接收事件。Be sure to call the base class' OnTouchEnter method so that base classes receive the event.