using System; using System.Threading.Tasks; using System.Windows.Media; namespace MapControl { public partial class TileImageLoader { private static async Task LoadTileImage(Tile tile, Func> loadImageFunc) { var image = await loadImageFunc().ConfigureAwait(false); _ = tile.Image.Dispatcher.InvokeAsync(() => tile.SetImageSource(image)); // no need to await InvokeAsync } } }