internal void OnAddCompleted()
        {
            EventHandler <AddProgressEventArgs> ap = AddProgress;

            if (ap != null)
            {
                var e = AddProgressEventArgs.Completed(ArchiveNameForEvent);
                ap(this, e);
            }
        }
 private void OnAddCompleted()
 {
     if (AddProgress != null)
     {
         lock (LOCK)
         {
             var e = AddProgressEventArgs.Completed(ArchiveNameForEvent);
             AddProgress(this, e);
         }
     }
 }