Inheritance: IHoldingEventArgs
        void gr_Holding(Windows.UI.Input.GestureRecognizer sender, Windows.UI.Input.HoldingEventArgs args)
        {
#if (DEBUG)
            System.Diagnostics.Debug.WriteLine("gr_Holding");
#endif
            var data = DataContext as ProgressViewModel;
            data.HoldTap();
        }
        private void OnGestureRecognizerHolding(object sender, Windows.UI.Input.HoldingEventArgs e)
        {
            var progressButton = sender as ProgressButton;

            if (e.HoldingState == HoldingState.Started)
            {
                if (!_isAnimateBegin)
                {
                    _isAnimateBegin = true;
                    (_progressStoryboard.Children[0] as DoubleAnimation).From = progressButton.Minimum;
                    (_progressStoryboard.Children[0] as DoubleAnimation).To   = progressButton.Maximum;
                    Storyboard.SetTarget(_progressStoryboard.Children[0] as DoubleAnimation, progressButton);
                    _progressStoryboard.Begin();
                }
            }
            else
            {
                _isAnimateBegin = false;
                _progressStoryboard.Stop();
            }
        }
 public void OnHolding(GestureRecognizer sender, HoldingEventArgs args)
 {
     //physics.OnHolding(sender, args);
 }
 /// <summary>
 /// 
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="args"></param>
 void OnHolding(GestureRecognizer sender, HoldingEventArgs args)
 {
 }
        private void GestureRecognizer_Holding(GestureRecognizer sender, HoldingEventArgs args)
        {
            TxtGestureNotes.Text = "Gesture Holding";

        }