internal void Remove(InversableTag inversableTag)
 {
     this.Items.Remove(inversableTag);
 }
 public TagsCombinationViewerEventArgs(InversableTag source)
 {
     this.Source = source;
 }
 internal void Remove(InversableTag inversableTag)
 {
     foreach (var item in this.Items)
         item.Remove(inversableTag);
 }