int nRet;
    bool isHaveMetlabPubCode = false;

    // Data variables
    uint32_t dwPublic = (uint32_t)GrdDC_DEMONVK - CryptPU;        // Must be encoded
    uint32_t dwPrivRD = (uint32_t)GrdDC_DEMORDO - CryptRD;        // Must be encoded
    uint32_t dwPrivWR = (uint32_t)GrdDC_DEMOPRF - CryptWR;        // Must be encoded
    uint32_t dwPrivMS = (uint32_t)GrdDC_DEMOMST - CryptMS;

    uint32_t dwFlags = 0;                 // Check by bProg, bVer & dongle type flag
    uint8_t byProg = 0;                   // Check by specified program number
    uint16_t wSN = 0;                     // This search mode is not used
    uint8_t byVer = 0;                    // Check by specified version
    uint16_t wMask = 0;                   // This search mode is not used
    uint16_t wType = 0;                   // Type dongle
    uint32_t dwModel = 0;        // Any Guardant Sign/Time usb
    uint32_t dwInterface = 0;    // interface usb
    uint32_t dwID = 0;                    // This search mode is not used
    uint32_t dwRemoteMode = GrdFMR_Local; // Operation mode flags

    CGrdDongle grdDongle(dwRemoteMode);        // parameters for call GrdStartup() & GrdSetFindMode
    ErrorHandling(GrdE_OK);                    // Some error found?
    nRet = grdDongle.Open(dwPublic + CryptPU, dwPrivRD + CryptRD, dwPrivWR + CryptWR, dwPrivMS + CryptMS);
    ErrorHandling(nRet);

    nRet = grdDongle.SetFindMode(dwRemoteMode, dwFlags, byProg, dwID, wSN, byVer, wMask, wType, dwModel, dwInterface);
    ErrorHandling(nRet);


    TGrdFindInfo GrdFindInfo;
    nRet = grdDongle.Find(GrdF_First, &dwID, &GrdFindInfo);
    if (GrdE_OK != nRet)
    {
        PrintError("The Guardant dongle with this access codes not found!");
        return isHaveMetlabPubCode;
    }