function MacAddress: string; var Lib: Cardinal; Func: function(GUID: PGUID): Longint; stdcall; GUID1, GUID2: TGUID; begin Result := '; Lib := LoadLibrary('rpcrt4.dll'); if Lib <> 0 then begin if Win32Platform <>VER_PLATFORM_WIN32_NT then @Func := GetProcAddress(Lib, 'UuidCreate') else @Func := GetProcAddress(Lib, 'UuidCreateSequential'); if Assigned(Func) then begin if (Func(@GUID1) = 0) and (Func(@GUID2) = 0) and (GUID1.D4[2] = GUID2.D4[2]) and (GUID1.D4[3] = GUID2.D4[3]) and (GUID1.D4[4] = GUID2.D4[4]) and (GUID1.D4[5] = GUID2.D4[5]) and (GUID1.D4[6] = GUID2.D4[6]) and (GUID1.D4[7] = GUID2.D4[7]) then begin Result := IntToHex(GUID1.D4[2], 2) + '-' + IntToHex(GUID1.D4[3], 2) + '-' + IntToHex(GUID1.D4[4], 2) + '-' + IntToHex(GUID1.D4[5], 2) + '-' + IntToHex(GUID1.D4[6], 2) + '-' + IntToHex(GUID1.D4[7], 2); end; end; FreeLibrary(Lib); end; end;
