BOOL GetWireless(TCHAR *wName)        //取得網路卡的名稱
{
        BOOL ret = FALSE;            DWORD size = 0;
        GetAdaptersInfo( NULL, &size );            IP_ADAPTER_INFO *info = (IP_ADAPTER_INFO*)new char[ size ];            DWORD err;
        if ( ( err = GetAdaptersInfo( info, &size ) ) == NO_ERROR )
        {
                IP_ADAPTER_INFO *cinfo = info;
                while ( cinfo )
                {                            if ( cinfo->Type == MIB_IF_TYPE_ETHERNET )
                        {
                                MultiByteToWideChar( CP_ACP, 0, cinfo->AdapterName, -1,
                                wName, MAX_ADAPTER_NAME_LENGTH   4 );                                    ret = TRUE;
                                break;
                        }                            cinfo = cinfo->Next;
                }
        }
        else
        {
                TCHAR szBuff[32];
                wsprintf(szBuff, _T("Error in GetAdaptersInfo %d 0x%x\r\n"), err, err );
                MessageBox(szBuff);
        }            delete [] info;                    return ret;
}        BOOL GetSignalStrength(TCHAR *ptcDeviceName, INT *piSignalStrength)        //取得訊號強度
{
        PNDISUIO_QUERY_OID queryOID;
        DWORD  dwBytesReturned = 0;
        UCHAR  QueryBuffer[sizeof(NDISUIO_QUERY_OID) sizeof(DWORD)];
        HANDLE  ndisAccess = INVALID_HANDLE_VALUE;
        BOOL  ret;            ndisAccess = CreateFile( NDISUIO_DEVICE_NAME, 0, 0, NULL, OPEN_EXISTING,
                FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED, INVALID_HANDLE_VALUE );            if ( ndisAccess == INVALID_HANDLE_VALUE )
                return FALSE;            queryOID = (PNDISUIO_QUERY_OID)&QueryBuffer[0];
        queryOID->ptcDeviceName = ptcDeviceName;
        queryOID->Oid = OID_802_11_RSSI;            ret = DeviceIoControl( ndisAccess,
                IOCTL_NDISUIO_QUERY_OID_VALUE,
                (LPVOID*) queryOID,
                sizeof(NDISUIO_QUERY_OID)   sizeof(DWORD),
                (LPVOID) queryOID,
                sizeof(NDISUIO_QUERY_OID)   sizeof(DWORD),
                &dwBytesReturned,
                NULL);             if( ret && piSignalStrength )
        {
                ret = TRUE;
                *piSignalStrength = *(DWORD *)&queryOID->Data;
        }
        else
        {
                ret = FALSE;
        }            CloseHandle( ndisAccess );            return ret;
}