protected AreaNode GetPersonTreeSync()
 {
     serviceClient = GetServiceClient();
     if (serviceClient == null)
     {
         return(null);
     }
     lock (serviceClient)//1
     {
         Debug.Log("CommunicationObject->GetPersonTree...");
         int      view = 2;//0:基本数据;1:基本设备信息;2:基本人员信息;3:基本设备信息+基本人员信息;4:只显示设备的节点;5:只显示人员的节点;6:只显示人员或设备的节点
         AreaNode root = null;
         root = serviceClient.GetPhysicalTopologyTreeNode(view);
         return(root);
     }
 }