/// <summary>
 /// Gets a list of superviews of type T
 /// </summary>
 /// <typeparam name="T"></typeparam>
 /// <param name="view"></param>
 /// <returns></returns>
 public static IEnumerable <T> FindSuperviewsOfType <T>(this _View view)
 {
     return(view.FindSuperviews().OfType <T>());
 }