public void RemoveHandler(events.MapDragFinishedEvent d)
 {
     if (d != null)
     {
         m_MapDragFinished -= d;
     }
 }
 public void AddHandler(events.MapDragFinishedEvent d)
 {
     if (d != null)
     {
         m_MapDragFinished += d;
     }
 }