static void OnIsSelectedItemScrolledIntoViewChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
        {
            var scrollingBehaviour = new SelectedListBoxItemScrollingBehaviour(dependencyObject, e);

            scrollingBehaviour.Update();
        }
 static void OnIsSelectedItemScrolledIntoViewChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
 {
     var scrollingBehaviour = new SelectedListBoxItemScrollingBehaviour(dependencyObject, e);
     scrollingBehaviour.Update();
 }