private static void OnItemsSourceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
CollectionFilterBehavior behavior = (CollectionFilterBehavior)d;
FilterPredicate predicate = behavior.Predicate;
if (predicate != null)
{
predicate.ItemsSource = (IEnumerable)e.NewValue;
}
behavior.FilterItems();
}
private static void OnPredicateChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
CollectionFilterBehavior behavior = (CollectionFilterBehavior)d;
FilterPredicate oldPredicate = (FilterPredicate)e.OldValue;
behavior.UnregisterPredicate(oldPredicate);
FilterPredicate newPredicate = (FilterPredicate)e.NewValue;
behavior.RegisterPredicate(newPredicate);
behavior.FilterItems();
}