ServiceBusMQ.SbmqSystem.RetrieveProcessedQueueItems C# (CSharp) Method

    public void RetrieveProcessedQueueItems(TimeSpan timeSpan) {
      if( _mgr.MonitorQueues.Length == 0 )
        return;

      List<QueueItem> items = new List<QueueItem>();

      // TODO: Solve why we can not iterate thru Remote MQ, 
      // both GetMessageEnumerator2() and GetAllMessages() should be available for
      // Remote computer and direct format name, but returns zero (0) messages always
      //if( !Tools.IsLocalHost(_serverName) )
      //  return;
      DateTime since = DateTime.Now - timeSpan;

      foreach( QueueType t in Enum.GetValues(typeof(QueueType)) )
        if( _monitorState.MonitorQueueType[(int)t] ) {
          var r = _mgr.GetProcessedMessages(t, since, _items.AsEnumerable<QueueItem>());
          items.AddRange(r.Items);
        }

      bool changed = false;
      lock( _itemsLock ) {

        // Add new items
        foreach( var itm in items )
          if( !_items.Any(i => i.Id == itm.Id) ) {

            _items.Add(new QueueItemViewModel(itm, _mgr.MessagesHasMilliSecondPrecision));

            if( !changed )
              changed = true;
          }

      }

      if( changed ) {
        _items.Sort((a, b) => b.ArrivedTime.CompareTo(a.ArrivedTime));

        OnItemsChanged(ItemChangeOrigin.Queue);
      }
    }