private static void OnSetCommandParameterCallback(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
{
GalleryItemGroup menuItem = dependencyObject as GalleryItemGroup;
if (menuItem != null)
{
GalleryItemSelectedCommandBehavior behavior = GetOrCreateBehavior(menuItem);
behavior.CommandParameter = e.NewValue;
}
}
private static GalleryItemSelectedCommandBehavior GetOrCreateBehavior(GalleryItemGroup menuItem)
{
GalleryItemSelectedCommandBehavior behavior = menuItem.GetValue(SelectedCommandBehaviorProperty) as GalleryItemSelectedCommandBehavior;
if (behavior == null)
{
behavior = new GalleryItemSelectedCommandBehavior(menuItem);
menuItem.SetValue(SelectedCommandBehaviorProperty, behavior);
}
return(behavior);
}
