/// <summary>
        /// 获取设备信息
        /// </summary>
        /// <param name="userName">用户名</param>
        /// <param name="pwd">密码</param>
        /// <param name="line">线路号</param>
        public SOAPResponseCmd <DevTreeInfo> GetDevTreeInfo(string userName, string pwd, uint line)
        {
            var devTree  = new IVMS7200.GetDevTreeServiceClient();
            var IdevTree = (ICommunicationObject)devTree;

            using (IdevTree.AsDisposable())
            {
                var strPwd = MD5Encrypt.GetDigest(pwd);
                var result = devTree.getDevTreeInfo(userName, strPwd, Convert.ToInt16(line));
                return(GetData(result));
            }
        }