public static async Task SlideFromCenterPosisionToPosisionOnRightAndReduce(this FrameworkElement element, float seconds, int width = 0) { var sb = new Storyboard(); sb.AddSlideFromCenterToLeft(seconds, -element.ActualWidth); sb.Reduce(element, 0.1f); sb.Begin(element, HandoffBehavior.SnapshotAndReplace, true); element.Visibility = Visibility.Visible; await Task.Delay((int)seconds * 1000); }