CgwMonitorManage.T28181.SipStackAdapter.IVS_NETSOURCE_UnInit C# (CSharp) Method

        public IVS_NETSOURCE_RESULT IVS_NETSOURCE_UnInit()
        {
            NLogEx.LoggerEx logEx = new NLogEx.LoggerEx(log);
            logEx.Trace("Enter: SipStackAdapter.IVS_NETSOURCE_UnInit.");
            //IVS_NETSOURCE_RESULT iRet = IVS_NETSOURCE_RESULT.FAILURE;
            IVS_NETSOURCE_RESULT iRet = IVS_NETSOURCE_RESULT.SUCCESS;
            try
            {
                foreach (KeyValuePair<UInt32, int> kvp in channelResponseIDDic)
                {
                    UInt32 channel = kvp.Key;
                    iRet = NetSourcedInterface.IVS_NETSOURCE_CloseNetStream(channel);
                    if (iRet != IVS_NETSOURCE_RESULT.SUCCESS)
                    {
                        logEx.Error("SipStackAdapter.IVS_NETSOURCE_CloseNetStream channelResponseIDDic = {0}.", channel);
                        //注销return，避免返回，不实现IVS_NETSOURCE_UnInit
                        //return iRet;
                    }
                    iRet = NetSourcedInterface.IVS_NETSOURCE_FreeChannel(channel);
                    if (iRet != IVS_NETSOURCE_RESULT.SUCCESS)
                    {
                        logEx.Error("SipStackAdapter.IVS_NETSOURCE_FreeChannel channelResponseIDDic = {0}.", channel);
                        //注销return，避免返回，不实现IVS_NETSOURCE_UnInit
                        //return iRet;
                    }
                }
                //iRet = NetSourcedInterface.IVS_NETSOURCE_UnInit();
                //if (iRet != IVS_NETSOURCE_RESULT.SUCCESS)
                //{
                //    logEx.Error("SipStackAdapter.IVS_NETSOURCE_UnInit failed.");
                //}

                NetSourcedInterface.IVS_NETSOURCE_UnInit();
                logEx.Info("Leave: SipStackAdapter.IVS_NETSOURCE_UnInit.");

            }
            catch (System.Exception ex)
            {
                logEx.Error("SipStackAdapter.IVS_NETSOURCE_UnInit Error = {0}.", ex.ToString());
                iRet = IVS_NETSOURCE_RESULT.FAILURE;
            }
            return iRet;
        }