private async Task <bool> SaveMoviePictureAsync(VideoItem video, byte[] img) { if (await FetcherHelpers.SaveBytes(video.Id, "moviePic", img, "jpg", false)) { await DispatchHelper.InvokeAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () => { video.IsPictureLoaded = true; video.HasMoviePicture = true; }); await video.ResetVideoPicture(); return(true); } return(false); }