protected void OnAreaActivated( ICaptionArea captionArea )
 {
     EventHandler<AreaActivatedEventArgs> handler = AreaActivated;
     if( handler != null )
     {
         handler( this, new AreaActivatedEventArgs( captionArea ) );
     }
 }
 public AreaActivatedEventArgs( ICaptionArea captionArea )
 {
     CaptionArea = captionArea;
 }