public void Undo() { for (int i = 0; i < items.Length; i++) { collection.InsertInternal(i, items[i]); } collection.modelProperty.XamlDesignItem.NotifyPropertyChanged(collection.modelProperty); }
public void Undo() { collection.InsertInternal(index, item); collection.modelProperty.XamlDesignItem.NotifyPropertyChanged(collection.modelProperty); }