public override IEnumerable <INotifyPropertyChanged> GetObjectsToNotify(object dataSource)
 {
     return(LabelBindingDefinition == null ? null : LabelBindingDefinition.GetObjectsToNotify(dataSource));
 }
 public override bool MustNotify(object dataSource, object source, PropertyChangedEventArgs args)
 {
     return(LabelBindingDefinition == null ? false : LabelBindingDefinition.MustNotify(dataSource, source, args));
 }
 public override object ResolveBinding(object dataSource)
 {
     return(LabelBindingDefinition == null ? null : LabelBindingDefinition.ResolveBinding(dataSource));
 }