Re: How to get MAC address

From:

"Stokie" <stokie040372@yahoo.com>

Newsgroups:

microsoft.public.vc.mfc

Date:

Sun, 17 May 2009 04:20:33 -0000

Message-ID:

<lgMPl.26702$c45.22635@nlpi065.nbdc.sbc.com>

I discovered the GetAdaptorsInfo() function which seems to meet my needs.

Cheers!
Mike

"Stokie" <stokie040372@yahoo.com> wrote in message
news:BCqPl.30133$YU2.18227@nlpi066.nbdc.sbc.com...

I wrote the following code to get the MAC address of my Ethernet card but
it also returns a whole bunch of other interfaces. How can I just get the
address of my Ethernet card?

CString strMACAddress;
DWORD dwCount;
DWORD dwResult = GetNumberOfInterfaces(&dwCount);
MIB_IFROW ifEntry;
memset(&ifEntry, 0, sizeof(ifEntry));
for (DWORD i = 0; i < dwCount; i++)
{
ifEntry.dwIndex = i + 1;
dwResult = GetIfEntry(&ifEntry);
if (dwResult == NO_ERROR)
{
  if (ifEntry.dwOperStatus == MIB_IF_OPER_STATUS_OPERATIONAL &&
ifEntry.dwType == MIB_IF_TYPE_ETHERNET && ifEntry.dwPhysAddrLen != 0)
  {
   for (DWORD i = 0; i < ifEntry.dwPhysAddrLen; i++)
   {
    str.Format(_T("%.2X"), ifEntry.bPhysAddr[i]);
    strMACAddress += str;
    strMACAddress += _T('-');
   }
   strMACAddress.Delete(strMACAddress.GetLength() - 1);
   AfxMessageBox(strMACAddress, MB_OK, 0);
   strMACAddress.Empty();
  }
}
}

Thanks
Mike