Cgw.MonitorManageAdapter.CgwMonitorManageAdapter.Disconnect C# (CSharp) Method

        public Cgw.SmcError.SmcErr Disconnect()
        {
            NLogEx.LoggerEx logEx = new NLogEx.LoggerEx(log);
            logEx.Trace("Enter: CgwMonitorManageAdapter.Disconnect");
            Cgw.SmcError.SmcErr err = new Cgw.SmcError.SmcErr();

            try
            {
                //判断Monitor服务是否在线，在线调用DisConnect方法
                if (serviceControl.MonitorServiceRun())
                {
                    client = new MonitorManageServiceClient();
                    CgwMonitorManageServiceReference.SmcErr serviceErr = client.Disconnect();
                    client.Close();
                    if (serviceErr.ErrNo != Cgw.SmcError.CgwError.ERR_MONITOR_MANAGE_SERVICE_SUCCESS)
                    {
                        logEx.Error("CgwMonitorManageAdapter.Disconnect failed. ErrNo = {0} ", serviceErr.ErrNo);
                        err = SetCgwErrNo(serviceErr);
                    }
                }
                else //不在线，无需调用DisConnect方法
                {
                    logEx.Info("CgwMonitorManageAdapter.Disconnect,MonitorManage Stopped");
                }
            }
            catch (System.Exception ex)
            {
                err.SetErrorNo(Cgw.SmcError.CgwError.ERR_MONITOR_MANAGE_SERVICE_RESTARTING);
                logEx.Error("CgwMonitorManageServiceReference.Disconnect failed. Exception is {0} ", ex.ToString());
            }
            return err;
        }