枚举机器串口个数

//枚举机器串口个数 int EnumerateCOMPort() {

    int portcnt = 0;

    TCHAR port[MAX_PATH];

    COMMCONFIG comcfg;

    ULONG BuffSize = sizeof(port);

 

    for (int i = 1; i < 255 ; i++)

    {

        _stprintf(port,_T( "COM%d "),i);

        BuffSize = sizeof(port);         if (GetDefaultCommConfig(port,&comcfg,&BuffSize))         portcnt ++;         memset(port,0,sizeof(port));     }     TRACE(_T( "/nThis computer has %d COM/n "),portcnt);     return portcnt; }