internal void OnAutoFilterValuesChanged(AutoFilterValuesChangedEventArgs e)
 {
     if (this.AutoFilterValuesChanged != null)
     {
         this.AutoFilterValuesChanged(this, e);
     }
 }
 private void RaiseDetailDescriptionAutoFilterValuesChangedEvent(AutoFilterValuesChangedEventArgs e)
 {
     // Forward this change notification to the root CollectionView
     // or CollectionViewSource
     if (this.DetailDescriptionAutoFilterValuesChanged != null)
     {
         this.DetailDescriptionAutoFilterValuesChanged(e);
     }
 }