private void UpdateZoomMode(IZoomableScrollView zoomableScrollView)
 {
     if (zoomableScrollView.IsZoomEnabled)
     {
     }
     else
     {
     }
 }
        private void UpdateZoomMode(IZoomableScrollView zoomableScrollView)
        {
            if (zoomableScrollView.IsZoomEnabled)
            {
                Control.ZoomMode = ZoomMode.Enabled;

                ScrollViewer.SetHorizontalScrollMode(Control, Windows.UI.Xaml.Controls.ScrollMode.Auto);
                ScrollViewer.SetVerticalScrollMode(Control, Windows.UI.Xaml.Controls.ScrollMode.Auto);
                Control.VerticalScrollBarVisibility   = Windows.UI.Xaml.Controls.ScrollBarVisibility.Auto;
                Control.HorizontalScrollBarVisibility = Windows.UI.Xaml.Controls.ScrollBarVisibility.Auto;

                Control.MinZoomFactor = 0.1f;
                Control.MaxZoomFactor = 20.0f;
            }
            else
            {
                Control.ZoomMode = ZoomMode.Disabled;
            }
        }