سورس کد بدست اوردن مک ادرس

کد:
function GetMacAddress: string;

type

  // This type is defined in MSDN sample code, but tests have found this is

  // not needed (on XP Pro) and Adapter can be of type TAdapterStatus. This

  // method use the type in case other OSs require it

  TAStat = packed record

    Adapt: Nb30.TAdapterStatus;

    NameBuff: array[0..29] of Nb30.TNameBuffer;

  end;

var

  Adapter: TAStat;              // info about a network adapter

  AdapterList: Nb30.TLanaEnum;  // numbers for current LAN adapters

  Ncb: Nb30.TNCB;               // network control block descriptor

  I: Integer;                   // loops thru all adapters in list

  // ---------------------------------------------------------------------------

  function NetBiosSucceeded(const RetCode: AnsiChar): Boolean;

  begin

    // Check RetCode is good NetBios function return value

    Result := Windows.UCHAR(RetCode) = Nb30.NRC_GOODRET;

  end;

  // ---------------------------------------------------------------------------

begin

  // Assume not adapter

  Result := '';

  // Get list of adapters

  FillChar(Ncb, SizeOf(Ncb), 0);

  Ncb.ncb_command := AnsiChar(Nb30.NCBENUM);

  Ncb.ncb_buffer := PAnsiChar(@AdapterList);

  Ncb.ncb_length := SizeOf(AdapterList);

  if not NetBiosSucceeded(Nb30.Netbios(@Ncb)) then

    Exit;

  // Get status of each adapter, exiting when first valid one reached

  // MSDN cautions us not to assume lana[0] is valid

  for I := 0 to Pred(Integer(AdapterList.length)) do

  begin

    // reset the adapter

    FillChar(Ncb, SizeOf(Ncb), 0);

    Ncb.ncb_command := AnsiChar(Nb30.NCBRESET);

    Ncb.ncb_lana_num := AdapterList.lana[I];

    if not NetBiosSucceeded(Nb30.Netbios(@Ncb)) then

      Exit;

    // get status of adapter

    FillChar(Ncb, SizeOf(Ncb), 0);

    Ncb.ncb_command := AnsiChar(Nb30.NCBASTAT);

    Ncb.ncb_lana_num := AdapterList.lana[I];

    Ncb.ncb_callname := '*               ';

    Ncb.ncb_buffer := PAnsiChar(@Adapter);

    Ncb.ncb_length := SizeOf(Adapter);

    if NetBiosSucceeded(Nb30.Netbios(@Ncb)) then

    begin

      // we have a MAC address: return it

      with Adapter.Adapt do

        Result := SysUtils.Format(

          '%.2x-%.2x-%.2x-%.2x-%.2x-%.2x',

          [

            Ord(adapter_address[0]),

            Ord(adapter_address[1]),

            Ord(adapter_address[2]),

            Ord(adapter_address[3]),

            Ord(adapter_address[4]),

            Ord(adapter_address[5])

          ]

        );

      Exit;

    end;

  end;

end;