private void IdentifyTheKeyLED_Click(object sender, EventArgs e)
{
ThreadPool.QueueUserWorkItem(delegate
{
try
{
WinBioRejectDetail rejectDetail;
Log(string.Format("Please touch session: unit id {0} in flashing", _unitId));
WinBio.EnrollBegin(_session, WinBioBiometricSubType.LhThumb, _unitId);
WinBio.EnrollCapture(_session, out rejectDetail);
WinBio.EnrollDiscard(_session);
Log(string.Format("Done"));
}
catch (WinBioException ex)
{
//ignore
}
});
}
private WinBioIdentity AddEnrollment(WinBioSessionHandle session, int unitId, WinBioBiometricSubType subType)
{
Log(string.Format("Beginning enrollment of {0}:", subType));
WinBio.EnrollBegin(session, subType, unitId);
var code = WinBioErrorCode.MoreData;
for (var swipes = 1; code != WinBioErrorCode.Ok; swipes++)
{
WinBioRejectDetail rejectDetail;
code = WinBio.EnrollCapture(session, out rejectDetail);
switch (code)
{
case WinBioErrorCode.MoreData:
Log(string.Format("Swipe {0} was good", swipes));
break;
case WinBioErrorCode.BadCapture:
Log(string.Format("Swipe {0} was bad: {1}", swipes, rejectDetail));
break;
case WinBioErrorCode.Ok:
Log(string.Format("Enrollment complete with {0} swipes", swipes));
break;
default:
// Force to discard in-progress Enroll operation.
WinBio.EnrollDiscard(session);
throw new WinBioException(code, "WinBioEnrollCapture failed");
}
}
Log(string.Format("Committing enrollment.."));
WinBioIdentity identity;
var isNewTemplate = WinBio.EnrollCommit(session, out identity);
Log(string.Format(isNewTemplate ? "New template committed." : "Template already existing."));
return(identity);
}
