private void RadioButtonList_SelectionChanged(object sender, EditValueChangedEventArgs e)
{
FrameworkElement popupRoot = LayoutHelper.FindRoot((DependencyObject)sender) as FrameworkElement;
if ((popupRoot != null) && (popupRoot.Parent is Popup))
{
(popupRoot.Parent as Popup).IsOpen = false;
}
}
void AssociatedObjectLoaded(object sender, RoutedEventArgs e)
{
var root = (FrameworkElement)LayoutHelper.FindRoot(AssociatedObject);
root.Do(x => x.Dispatcher.BeginInvoke(new Action(() => LayoutHelper.ForEachElement(x, element => (element as Button).Do(btn => btn.IsDefault = false)))));
}