Creating a secure channel

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Security.Cryptography.X509Certificates;
using System.Text;
using System.Windows.Forms;
using VsspChat.Properties;
using VSSProtocol.Users;
using System.Threading;

namespace VsspChat.Gui
{
	public partial class WaitForDialogBox : Form
	{
		private VsspClient client = null;
		private VsspServer server;

		public WaitForDialogBox()
		{
			InitializeComponent();
		}

		private void WaitForDialogBox_Load(object sender, EventArgs e)
		{
			btnCancel.Enabled = true;
			backgroundWorker.RunWorkerAsync();
		}

		private VsspClient createServerAndWait()
		{
			X509Certificate2 certificate = new X509Certificate2(Settings.Default.Certificate, Settings.Default.CertificatePassword);
			server = new VsspServer(Settings.Default.Port, certificate);
			VsspClient localClient = null;
			try
			{
				localClient = server.Accept();
			}
			catch (Exception)
			{
				// Ignore
			}
			return localClient;

		}

		private void btnCancel_Click(object sender, EventArgs e)
		{
			server.Stop();
		}


		public VsspClient Client
		{
			get { return client; }
		}

		private void backgroundWorker_DoWork(object sender, DoWorkEventArgs e)
		{
			e.Result = createServerAndWait();
		}

		private void backgroundWorker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
		{
			if (e.Error != null)
			{
				MessageBox.Show(e.Error.Message);
				DialogResult = DialogResult.Cancel;
			}
			else if (e.Result == null)
			{
				DialogResult = DialogResult.Cancel;
			} else
			{
				DialogResult = DialogResult.OK;
				client = (VsspClient)e.Result;
			}

			
		}
	}
}