C / C++ / MFC

BOOL CPrivatePoolBioDlg::EnrollFingerprint()
{
    WINBIO_UNIT_SCHEMA *unitSchemaArray = NULL;
    SIZE_T unitSchemaCount = 0;

    WINBIO_UNIT_ID unitIdArray[1]={};
    SIZE_T unitIdCount = ARRAYSIZE(unitIdArray);

    WINBIO_SESSION_HANDLE sessionHandle;

    HRESULT hr; // = S_OK;

   //Enumarating devices...
   hr = WinBioEnumBiometricUnits(WINBIO_TYPE_FINGERPRINT,&unitSchemaArray,&unitSchemaCount);

   if(FAILED(hr))
   {
        CString m;
        m.Format(_T("Unable to Enumarate Device 0x%08x"),hr);
        AfxMessageBox(m);
        return 0;
   }
   //Enumaration Success...
   unitIdArray[0] = unitSchemaArray[0].UnitId;

   //Opening the session...
   hr = WinBioOpenSession(WINBIO_TYPE_FINGERPRINT,WINBIO_POOL_PRIVATE,WINBIO_FLAG_BASIC,            
                unitIdArray,unitIdCount,&PRIVATE_POOL_DATABASE_ID,&sessionHandle);
   if(FAILED(hr))
   {
    ///////////////////////HERE FUNCTION IS RETURNING WINBIO_E_CONFIGURATION_FAILURE////////////////////
        CString m;
        m.Format(_T("Unable to Start session 0x%08x, %d"),hr, GetLastError());
        AfxMessageBox(m);
        return 0;
   }

   //Session opened...
   WinBioCloseSession(sessionHandle);
   return 1;
}

WINBIO_E_CONFIGURATION_FAILURE

GUID PRIVATE_POOL_DATABASE_ID = 
{ 0x5086745d, 0xb3f9, 0x4da7, { 0x85, 0x9e, 0x9c, 0xc4, 0x33, 0x1c, 0xe4, 0x7c } };