private void AddBir(string userName, string finger, string serviceObject, BiometricsInformationRecord bir)
{
try
{
StoredBir sb = new StoredBir(userName, finger, serviceObject, bir);
Birs.Add(sb);
lbBirs.Items.Add(sb);
SaveBirs();
}
catch (Exception ae)
{
ShowException(ae);
}
}
private void btnDeleteBir_Click(object sender, EventArgs e)
{
try
{
if (lbBirs.SelectedIndex >= 0)
{
StoredBir sb = (StoredBir)lbBirs.SelectedItem;
lbBirs.Items.Remove(sb);
Birs.Remove(sb);
SaveBirs();
}
}
catch (Exception ae)
{
ShowException(ae);
}
}
private void AddBir(string userName, string finger, string serviceObject, BiometricsInformationRecord bir)
{
try
{
StoredBir sb = new StoredBir(userName, finger, serviceObject, bir);
Birs.Add(sb);
lbBirs.Items.Add(sb);
SaveBirs();
}
catch (Exception ae)
{
ShowException(ae);
}
}
private void btnVerify_Click(object sender, EventArgs e)
{
Cursor old = Cursor.Current;
Cursor.Current = Cursors.WaitCursor;
try
{
//lblStatusText.Text = "Please swipe finger";
pbImageData.Image = null;
StoredBir sb = (StoredBir)lbBirs.SelectedItem;
bool adaptBIR = chkBoxAdaptBir.Checked;
int maxFAR = 0;
int maxFRR = 0;
if (rbUseFAR.Checked)
{
maxFAR = int.Parse(tbRate.Text);
}
else
{
maxFRR = int.Parse(tbRate.Text);
}
BiometricsVerifyResult result = _biometrics.Verify(maxFAR, maxFRR, rbUseFAR.Checked, sb, adaptBIR, int.Parse(tbBioTimeout.Text));
string status = "Verification failed for: " + sb.ToString();
if (result.Result == true)
{
lblStatusText.Text = "Verified as: " + sb.ToString();
DisplayMessage("Verification succeeded for: " + sb.ToString() + "\r\n" +
"FalseAcceptRateAchieved: " + result.FalseAcceptRateAchieved + "\r\n" +
"FalseRejectRateAchieved: " + result.FalseRejectRateAchieved);
// save updated bir
if (adaptBIR && result.AdaptedBir != null)
{
StoredBir newBir = new StoredBir(sb.Name, sb.Finger, _biometrics.ToString(), result.AdaptedBir);
Birs.Remove(sb);
lbBirs.Items.Remove(sb);
Birs.Add(newBir);
lbBirs.SelectedIndex = lbBirs.Items.Add(newBir);
SaveBirs();
DisplayMessage("Saved adapted BIR.");
}
}
else
{
lblStatusText.Text = "Verification failed for: " + sb.ToString();
if (result == null)
{
DisplayMessage("Verification failed for: " + sb.ToString());
}
else
{
DisplayMessage("Verification failed for: " + sb.ToString() + "\r\n" +
"FalseAcceptRateAchieved: " + result.FalseAcceptRateAchieved + "\r\n" +
"FalseRejectRateAchieved: " + result.FalseRejectRateAchieved);
}
}
}
catch (Exception ae)
{
ShowException(ae);
}
finally
{
Cursor.Current = old;
}
}
private void btnVerify_Click(object sender, EventArgs e)
{
Cursor old = Cursor.Current;
Cursor.Current = Cursors.WaitCursor;
try
{
//lblStatusText.Text = "Please swipe finger";
pbImageData.Image = null;
StoredBir sb = (StoredBir)lbBirs.SelectedItem;
bool adaptBIR = chkBoxAdaptBir.Checked;
int maxFAR = 0;
int maxFRR = 0;
if (rbUseFAR.Checked)
maxFAR = int.Parse(tbRate.Text);
else
maxFRR = int.Parse(tbRate.Text);
BiometricsVerifyResult result = _biometrics.Verify(maxFAR, maxFRR, rbUseFAR.Checked, sb, adaptBIR, int.Parse(tbBioTimeout.Text));
string status = "Verification failed for: " + sb.ToString();
if (result.Result == true)
{
lblStatusText.Text = "Verified as: " + sb.ToString();
DisplayMessage("Verification succeeded for: " + sb.ToString() + "\r\n" +
"FalseAcceptRateAchieved: " + result.FalseAcceptRateAchieved + "\r\n" +
"FalseRejectRateAchieved: " + result.FalseRejectRateAchieved);
// save updated bir
if (adaptBIR && result.AdaptedBir != null)
{
StoredBir newBir = new StoredBir(sb.Name, sb.Finger, _biometrics.ToString(), result.AdaptedBir);
Birs.Remove(sb);
lbBirs.Items.Remove(sb);
Birs.Add(newBir);
lbBirs.SelectedIndex = lbBirs.Items.Add(newBir);
SaveBirs();
DisplayMessage("Saved adapted BIR.");
}
}
else
{
lblStatusText.Text = "Verification failed for: " + sb.ToString();
if (result == null)
{
DisplayMessage("Verification failed for: " + sb.ToString());
}
else
{
DisplayMessage("Verification failed for: " + sb.ToString() + "\r\n" +
"FalseAcceptRateAchieved: " + result.FalseAcceptRateAchieved + "\r\n" +
"FalseRejectRateAchieved: " + result.FalseRejectRateAchieved);
}
}
}
catch (Exception ae)
{
ShowException(ae);
}
finally
{
Cursor.Current = old;
}
}
