private static void onPagesChanged(BindableObject bindable, object oldValue, object newValue)
        {
            ExtendedTabbedPage view = bindable as ExtendedTabbedPage;

            view.Children.Clear();
            IList <ContentPage> items = newValue as IList <ContentPage>;

            if (items != null)
            {
                view.SetupTabs();
            }
        }
 private static void onParametersChanged(BindableObject bindable, object oldValue, object newValue)
 {
     ExtendedTabbedPage view = bindable as ExtendedTabbedPage;
 }