wu
have you solved this question?
can you give me some example, i have no idea to make it, thanks a lot!!!!
thanks very mush
mvvm solutions: here is : Attached Dependency Property public class CheckComBoxHelper { static bool _isUpdating = false; public static readonly DependencyProperty SelectedItemsProperty = DependencyProperty.RegisterAttached("SelectedItems", typeof(List), typeof(CheckComBoxHelper), new FrameworkPropertyMetadata(null, new PropertyChangedCallback(OnPropertyChanged)));...