private static void Main(string[] args)
{
//try
//{
var schemas = WBF.GetBiometricUnits(BiometricType.Fingerprint);
var session = WBF.OpenSession(BiometricType.Fingerprint, BiometricPoolType.System, BiometricSessionFlags.Default,
null, BiometricDatabaseType.None);
var identity = WBF.GetCurrentIdentity();
while (!Console.KeyAvailable)
{
var match = WBF.Verify(session, identity, BiometricSubtype.Any,
out uint schema, out BiometricRejectDetail rejectDetail, out BiometricError error);
if (error == BiometricError.None)
{
Console.WriteLine("Match: {0}", match);
}
else
{
Console.WriteLine("Biometric Error: {0}", error);
Console.WriteLine("Reject detail: {0}", rejectDetail);
}
}
WBF.CloseSession(session);
//}
//catch (Exception ex)
//{
// Console.WriteLine("Error: {0}", ex.Message);
//}
Console.ReadLine();
}
private async Task ValidateFingerprint()
{
BiometricsEnabled =
BiometricsEnabled &&
WBF.GetBiometricUnits(BiometricType.Fingerprint).Length > 0;
if (!BiometricsEnabled)
{
return;
}
await Task.Run(() =>
{
var session =
WBF.OpenSession(BiometricType.Fingerprint, BiometricSessionFlags.Default,
null, BiometricDatabaseType.None);
var match = false;
try
{
while (!WBF.Verify(session, WBF.GetCurrentIdentity(), BiometricSubtype.Any,
out uint unitId, out BiometricRejectDetail rejectDetail, out BiometricError error))
{
PasswordVerificationStatus = PasswordVerificationStatus.Rejected;
UI(() => BiometricRejected?.Invoke(this, null));
switch (error)
{
case BiometricError.None:
PasswordErrorMessage = "There was no error?";
break;
case BiometricError.BadCapture:
switch (rejectDetail)
{
case BiometricRejectDetail.TooHigh:
PasswordErrorMessage = "Your finger was too high.";
break;
case BiometricRejectDetail.TooLow:
PasswordErrorMessage = "Your finger was too low.";
break;
case BiometricRejectDetail.TooLeft:
PasswordErrorMessage = "Your finger was too far to the left.";
break;
case BiometricRejectDetail.TooRight:
PasswordErrorMessage = "Your finger was too far to the right.";
break;
case BiometricRejectDetail.TooFast:
PasswordErrorMessage = "You moved your finger too quickly.";
break;
case BiometricRejectDetail.TooSlow:
PasswordErrorMessage = "You moved your finger too slowly.";
break;
case BiometricRejectDetail.PoorQuality:
PasswordErrorMessage = "Your fingerprint could not be read properly.";
break;
case BiometricRejectDetail.TooSkewed:
PasswordErrorMessage = "The fingerprint capture was too skewed.";
break;
case BiometricRejectDetail.TooShort:
PasswordErrorMessage = "Your finger was too short.";
break;
case BiometricRejectDetail.MergeFailure:
PasswordErrorMessage = "Try again.";
break;
default:
break;
}
break;
case BiometricError.EnrollmentInProgress:
PasswordErrorMessage = "The sensor is currently enrolling a new fingerprint.";
break;
case BiometricError.NoMatch:
PasswordErrorMessage = "The fingerprint did not match.";
break;
default:
break;
}
}
match = true;
}
catch
{
}
if (match)
{
PasswordVerificationStatus = PasswordVerificationStatus.Verified;
UI(() => BiometricVerified?.Invoke(this, null));
}
WBF.CloseSession(session);
});
}
