private void listView_PullProgressChanged(object sender, RefreshProgressEventArgs e)
 {
     if (e.IsRefreshable)
     {
         if (e.PullProgress == 1)
         {
             // Progress = 1.0 means that the refresh has been triggered.
             if (SpinnerStoryboard.GetCurrentState() == Windows.UI.Xaml.Media.Animation.ClockState.Stopped)
             {
                 SpinnerStoryboard.Begin();
             }
         }
         //else if (SpinnerStoryboard.GetCurrentState() != Windows.UI.Xaml.Media.Animation.ClockState.Stopped)
         //{
         //    SpinnerStoryboard.Stop();
         //}
         //else
         //{
         //    // Turn the indicator by an amount proportional to the pull progress.
         //    SpinnerTransform.Angle = e.PullProgress * 360;
         //}
     }
 }
 private void listView_PullProgressChanged(object sender, RefreshProgressEventArgs e)
 {
     if (e.IsRefreshable)
     {
         if (e.PullProgress == 1)
         {
             // Progress = 1.0 means that the refresh has been triggered.
             if (SpinnerStoryboard.GetCurrentState() == Windows.UI.Xaml.Media.Animation.ClockState.Stopped)
             {
                 SpinnerStoryboard.Begin();
             }
         }
         //else if (SpinnerStoryboard.GetCurrentState() != Windows.UI.Xaml.Media.Animation.ClockState.Stopped)
         //{
         //    SpinnerStoryboard.Stop();
         //}
         //else
         //{
         //    // Turn the indicator by an amount proportional to the pull progress.
         //    SpinnerTransform.Angle = e.PullProgress * 360;
         //}
     }
 }