private void ScanWorkerRunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
_currentScanner = null;
if (_nfView.Finger.Image != null)
{
_nfView.Finger.Image.Dispose();
_nfView.Finger.Image = null;
}
if (_nfView.Finger.Objects[0].Template != null)
{
_nfView.Finger.Objects[0].Template.Dispose();
_nfView.Finger.Objects[0].Template = null;
}
lblQuality.Text = string.Empty;
if (e.Error != null)
{
MessageBox.Show(e.Error.Message);
Logger.logToFile(e.Error, AppSettings.ErrorLogPath);
return;
}
if (e.Cancelled)
{
lblQuality.Text = @"Scanning canceled.";
return;
}
NImage image = e.Result as NImage;
if (image == null)
{
return;
}
_nfView.Width = (int)panelFingerPrint.Width;
_nfView.Height = (int)panelFingerPrint.Height;
_nfView.Finger.Image = image;
_nfView.Refresh();
}
private void OnEnrollCompleted(IAsyncResult r)
{
if (InvokeRequired)
{
BeginInvoke(new AsyncCallback(OnEnrollCompleted), r);
}
else
{
var task = _biometricClient.EndPerformTask(r);
var status = task.Status;
// Check if extraction was canceled
if (status == NBiometricStatus.Canceled)
{
return;
}
if (status == NBiometricStatus.Ok)
{
lblQuality.Text = $"Quality: {_subjectFinger.Objects[0].Quality}";
if (_nfView.Finger.Image != null)
{
_nfView.Finger.Image.Dispose();
_nfView.Finger.Image = null;
}
if (_nfView.Finger.Objects[0].Template != null)
{
_nfView.Finger.Objects[0].Template.Dispose();
_nfView.Finger.Objects[0].Template = null;
}
lblQuality.Text = string.Empty;
OnIsScanningChanged(false);
_template = _subject.Save();
_nfView.Finger.Objects[0].Template = _subject.Fingers[0].Objects[0].Template;
SaveTemplateForVerification(_template);
SaveUserIdForVerification(textBoxIDNumber.Text);
UpdateStateToParent(ApplicationController.State.Captured_Good);
NImage image = _subjectFinger.Image;
if (image == null)
{
return;
}
_nfView.Width = (int)image.Width;
_nfView.Height = (int)image.Height;
_nfView.Finger.Image = image;
_nfView.Refresh();
}
else
{
MessageBox.Show($"Fingerprint image is of low quality OR The template was not extracted: {status}.", Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
_subject = null;
_subjectFinger = null;
}
}
}
