网卡速率实时监控 char tempChar; DWORD dwListSize = 1; DWORD dwRet; m_ListArp.DeleteAllItems(); dwRet = GetIpNetTable((PMIB_IPNETTABLE)&tempChar, &dwListSize, TRUE); // 关键函数 if (dwRet == ERROR_INSUFFICIENT_BUFFER) { PMIB_IPNETTABLE pIpNetTable = (PMIB_IPNETTABLE)new(char[dwListSize]); dwR