private void IdentificationControl_Load(object sender, EventArgs e)
{
if (identificationControl != null)
{
identificationControl.Reader = _sender.CurrentReader;
}
else
{
// See the SDK documentation for an explanation on threshold scores.
int thresholdScore = DPFJ_PROBABILITY_ONE * 1 / 100000;
identificationControl = new DPCtlUruNet.IdentificationControl(_sender.CurrentReader, _sender.Fmds.Values, thresholdScore, 10, Constants.CapturePriority.DP_PRIORITY_COOPERATIVE);
identificationControl.Location = new System.Drawing.Point(3, 3);
identificationControl.Name = "identificationControl";
identificationControl.Size = new System.Drawing.Size(397, 128);
identificationControl.TabIndex = 0;
identificationControl.OnIdentify += new DPCtlUruNet.IdentificationControl.FinishIdentification(this.identificationControl_OnIdentify);
// Be sure to set the maximum number of matches you want returned.
identificationControl.MaximumResult = 10;
this.Controls.Add(identificationControl);
}
identificationControl.StartIdentification();
}
private void identificationControl_OnIdentify(DPCtlUruNet.IdentificationControl IdentificationControl, IdentifyResult IdentificationResult)
{
if (IdentificationResult.ResultCode != Constants.ResultCode.DP_SUCCESS)
{
if (IdentificationResult.Indexes == null)
{
if (IdentificationResult.ResultCode == Constants.ResultCode.DP_INVALID_PARAMETER)
{
MessageBox.Show("Warning: Fake finger was detected.");
}
else if (IdentificationResult.ResultCode == Constants.ResultCode.DP_NO_DATA)
{
MessageBox.Show("Warning: No finger was detected.");
}
else
{
if (_sender.CurrentReader != null)
{
_sender.CurrentReader.Dispose();
_sender.CurrentReader = null;
}
}
}
else
{
if (_sender.CurrentReader != null)
{
_sender.CurrentReader.Dispose();
_sender.CurrentReader = null;
}
MessageBox.Show("Error: " + IdentificationResult.ResultCode);
}
}
else
{
_sender.CurrentReader = IdentificationControl.Reader;
txtMessage.Text = txtMessage.Text + "OnIdentify: " + (IdentificationResult.Indexes.Length.Equals(0) ? "No " : "One or more ") + "matches. Try another finger.\r\n\r\n";
}
txtMessage.SelectionStart = txtMessage.TextLength;
txtMessage.ScrollToCaret();
}
