protected virtual void OnProjectExtentCompleted(ProjectExtentCompletedEventArgs args)
 {
     if (ProjectExtentCompleted != null)
     {
         ProjectExtentCompleted(this, args);
     }
 }
 protected virtual void OnProjectExtentCompleted(ProjectExtentCompletedEventArgs args)
 {
     if (ProjectExtentCompleted != null)
         ProjectExtentCompleted(this, args);
 }