WSAEnumNetworkEvents(m_pSocketList[nSockIdx].sck, m_pSocketList[nSockIdx].hEvent, &wsNetEvents);兄弟们，江湖救急，每次断开网络连接，这个（wsNetEvents.lNetworkEvents & FD_CLOSE）要十几秒才响应，怎我在收到这个响应的时候close网络，怎样做到断网立即检测到呢
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