Inheritance: IEdgeGestureEventArgs
 void EdgeGesture_Completed(object sender, EdgeGestureEventArgs e)
 {
     if (e.Kind == EdgeGestureKind.Touch)
     {
         Scenario2OutputText.Text = "Invoked with touch.";
     }
     else if (e.Kind == EdgeGestureKind.Keyboard)
     {
         Scenario2OutputText.Text = "Invoked with keyboard.";
     }
     else if (e.Kind == EdgeGestureKind.Mouse)
     {
         Scenario2OutputText.Text = "Invoked with right-click.";
     }
 }
 private void OnEdgeGestureCompleted(EdgeGesture sender, EdgeGestureEventArgs args)
 {
     OnSwitchGesture();
 } 
 void EdgeGesture_Starting(object sender, EdgeGestureEventArgs e)
 {
     Scenario2OutputText.Text = "Invoking with touch.";
 }
 void EdgeGesture_Canceled(object sender, EdgeGestureEventArgs e)
 {
     Scenario2OutputText.Text = "Canceled with touch.";
 }