BS2_USER_MASK maskWantUpdate = (BS2_USER_MASK)BS2UserMaskEnum.SETTING | (BS2_USER_MASK)BS2UserMaskEnum.SETTING_EX | (BS2_USER_MASK)BS2UserMaskEnum.JOB;

BS2ErrorCode sdkResult = BS2ErrorCode.BS_SDK_SUCCESS;
BS2UserFaceExBlob[] userBlob = Util.AllocateStructureArray<BS2UserFaceExBlob>(1);

userBlob[0].cardObjs = IntPtr.Zero;
userBlob[0].fingerObjs = IntPtr.Zero;
userBlob[0].faceObjs = IntPtr.Zero;
userBlob[0].user_photo_obj = IntPtr.Zero;
userBlob[0].faceExObjs = IntPtr.Zero;

userBlob[0].setting.fingerAuthMode = (byte)BS2FingerAuthModeEnum.NONE;
userBlob[0].setting.cardAuthMode = (byte)BS2CardAuthModeEnum.NONE;
userBlob[0].setting.idAuthMode = (byte)BS2IDAuthModeEnum.NONE;

userBlob[0].settingEx.faceAuthMode = (byte)BS2ExtFaceAuthModeEnum.NONE;
userBlob[0].settingEx.fingerprintAuthMode = (byte)BS2ExtFingerprintAuthModeEnum.NONE;
userBlob[0].settingEx.cardAuthMode = (byte)BS2ExtCardAuthModeEnum.NONE;
userBlob[0].settingEx.idAuthMode = (byte)BS2ExtIDAuthModeEnum.NONE;

string userID;
if (BS2ErrorCode.BS_SDK_SUCCESS != (sdkResult = getUserBlobUserID(ref userBlob[0].user, out userID)))
    return;

if ((maskWantUpdate & (BS2_USER_MASK)BS2UserMaskEnum.SETTING) == (BS2_USER_MASK)BS2UserMaskEnum.SETTING)
{
    if (BS2ErrorCode.BS_SDK_SUCCESS != (sdkResult = getUserBlobExpiryDate(ref userBlob[0].setting)))
        return;

    if (BS2ErrorCode.BS_SDK_SUCCESS != (sdkResult = getUserBlobPrivateAuthMode(ref userBlob[0].setting)))
        return;

    if (BS2ErrorCode.BS_SDK_SUCCESS != (sdkResult = getUserBlobSecurityLevel(ref userBlob[0].setting)))
        return;
}

if ((maskWantUpdate & (BS2_USER_MASK)BS2UserMaskEnum.SETTING_EX) == (BS2_USER_MASK)BS2UserMaskEnum.SETTING_EX)
{
    if (BS2ErrorCode.BS_SDK_SUCCESS != (sdkResult = getUserBlobPrivateAuthModeEx(ref userBlob[0].settingEx)))
        return;
}

// ...

if ((maskWantUpdate & (BS2_USER_MASK)BS2UserMaskEnum.JOB) == (BS2_USER_MASK)BS2UserMaskEnum.JOB)
{
    Console.WriteLine("Do you want to change/delete #{0} jobs? (0:Change, 1:Delete)", userID);
    Console.Write(">> ");
    int selected = Util.GetInput(0);
    switch (selected)
    {
        case 0:     // Change jobs
            if (BS2ErrorCode.BS_SDK_SUCCESS != (sdkResult = getUserBlobJobCode(ref userBlob[0].job)))
                return;

            userBlob[0].user.infoMask |= (byte)BS2UserInfoMaskEnum.JOB_CODE;
            break;

        case 1:     // Delete
        default:
            maskWantUpdate &= ~(BS2_USER_MASK)BS2UserMaskEnum.JOB;
            break;
    }
}
else
{
    // Keep
    userBlob[0].user.infoMask |= (byte)BS2UserInfoMaskEnum.JOB_CODE;
}

userBlob[0].user.numCards = 0;
if ((maskWantUpdate & (BS2_USER_MASK)BS2UserMaskEnum.CARD) == (BS2_USER_MASK)BS2UserMaskEnum.CARD)
{
    Console.WriteLine("Do you want to change/delete #{0} cards? (0:Change, 1:Delete)", userID);
    Console.Write(">> ");
    int selected = Util.GetInput(0);
    switch (selected)
    {
        case 0:     // Change cards
            if (BS2ErrorCode.BS_SDK_SUCCESS != (sdkResult = getUserBlobCardInfo(sdkContext, deviceID, ref userBlob[0].cardObjs, ref userBlob[0].user.numCards)))
                return;

            userBlob[0].user.infoMask |= (byte)BS2UserInfoMaskEnum.CARD;
            break;

        case 1:     // Delete cards on the device
        default:
            // unmasking and numCards = 0;
            maskWantUpdate &= ~(BS2_USER_MASK)BS2UserMaskEnum.CARD;
            break;
    }
}
else
{
    // Keep
    userBlob[0].user.infoMask |= (byte)BS2UserInfoMaskEnum.CARD;
}

// ...

sdkResult = (BS2ErrorCode)API.BS2_PartialUpdateUserFaceEx(sdkContext, deviceID, maskWantUpdate, userBlob, (UInt32)numOfUser);
if (BS2ErrorCode.BS_SDK_SUCCESS != sdkResult)
	Console.WriteLine("BS2_PartialUpdateUserFaceEx call failed {0}", sdkResult);