private void AnimeGridItem_OnManipulationStarted(object sender, ManipulationStartedRoutedEventArgs e)
 {
     if (_manip != null)
     {
         return;
     }
     _initialPoint             = e.Position;
     _manip                    = this;
     DecrementField.Visibility = IncrementField.Visibility = Visibility.Visible;
 }
        private void AnimeGridItem_OnManipulationCompleted(object sender, ManipulationCompletedRoutedEventArgs e)
        {
            GoBackStoryboard.Begin();
            if (_incDecState != null)
            {
                if (_incDecState.Value)
                {
                    ViewModel.IncrementWatchedCommand.Execute(null);
                }
                else
                {
                    ViewModel.DecrementWatchedCommand.Execute(null);
                }
            }

            _incDecState = null;
            _manip       = null;
        }