/// <summary>
 /// Provides handling for the MouseLeftButtonDown event.
 /// </summary>
 /// <param name="e">The data for the event.</param>
 protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
 {
     if (_interaction.AllowMouseLeftButtonDown(e))
     {
         _interaction.OnMouseLeftButtonDownBase();
         base.OnMouseLeftButtonDown(e);
     }
 }
 /// <summary>
 /// Provides handling for the MouseLeftButtonDown event.
 /// </summary>
 /// <param name="e">The data for the event.</param>
 protected override void OnPointerPressed(Windows.UI.Xaml.Input.PointerRoutedEventArgs e)
 {
     if (_interaction.AllowMouseLeftButtonDown(e))
     {
         _interaction.OnMouseLeftButtonDownBase();
         base.OnPointerPressed(e);
     }
 }