static void OnControllerChanged(BindableObject b, LoadingLayoutController oldC, LoadingLayoutController newC)
        {
            if (newC == null)
            {
                return;
            }

            newC.LoadingTemplate = GetLoadingTemplate(b);
            newC.RepeatCount     = GetRepeatCount(b);

            // TODO: Figure out if a selector makes sense...
            newC.LoadingTemplateSelector = GetLoadingTemplateSelector(b);
        }
 static void SetLoadingLayoutController(BindableObject b, LoadingLayoutController value)
 {
     b.SetValue(LoadingLayoutControllerProperty, value);
 }