mainform.cs

DigitalPersona.rar

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace UI_Support
{

	// The main application form.
    public partial class MainForm : Form
    {
        public MainForm()
        {
            InitializeComponent();
	        Data = new AppData();								// Create the application data object
			Data.OnChange += delegate { ExchangeData(false); };	// Track data changes to keep the form synchronized
			Enroller = new EnrollmentForm(Data);
            Verifier = new VerificationForm(Data);
            ExchangeData(false);								// fill data with default values from controls
		}

		// Simple dialog data exchange (DDX) implementation.
		private void ExchangeData(bool read)
        {
            if (read)
			{	// read values from the form's controls to the data object
                Data.EnrolledFingersMask = Mask.Text.Length == 0 ? 0 : (int)Mask.Value;
                Data.MaxEnrollFingerCount = MaxFingers.Text.Length == 0 ? 0 : (int)MaxFingers.Value;
                Data.IsEventHandlerSucceeds = IsSuccess.Checked;
				Data.Update();
            }
            else
			{	// read valuse from the data object to the form's controls
				Mask.Value = Data.EnrolledFingersMask;
				MaxFingers.Value = Data.MaxEnrollFingerCount;
				IsSuccess.Checked = Data.IsEventHandlerSucceeds;
                IsFailure.Checked = !IsSuccess.Checked;
                IsFeatureSetMatched.Checked = Data.IsFeatureSetMatched;
                FalseAcceptRate.Text = Data.FalseAcceptRate.ToString();
				VerifyButton.Enabled = Data.EnrolledFingersMask > 0;
            }
        }

        private void EnrollButton_Click(object sender, EventArgs e)
        {
			ExchangeData(true);		// transfer values from the main form to the data object
			Enroller.ShowDialog();	// process enrollment
        }

        private void VerifyButton_Click(object sender, EventArgs e)
        {
			ExchangeData(true);		// transfer values from the main form to the data object
			Verifier.ShowDialog();	// process verification
        }

        private void QuitButton_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private AppData Data;					// keeps application-wide data
        private EnrollmentForm Enroller;
        private VerificationForm Verifier;

    }
}