private static void SetDelayCollection(DependencyObject obj, ItemsControlExtension value)
{
obj.SetValue(_delayCollectionProperty, value);
}
private static void OnItemsSourceChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
var control = sender as ItemsControl;
if (control == null)
{
throw new InvalidOperationException("Codify.Controls.ItemsControlExtension.ItemsSource property can only be attached to a System.Windows.Controls.ItemsControl.");
}
var delayCollection = GetDelayCollection(control);
if (delayCollection == null)
{
SetDelayCollection(control, delayCollection = new ItemsControlExtension());
}
delayCollection.Refersh();
}