private void button1_Click(object sender, RoutedEventArgs e)
        {
            if (cb_interfaceList.SelectedIndex == -1)
            {
                MessageBox.Show("You must select an interface to listen on!");
                return;
            }
            if (textBox1.Text == "")
            {
                MessageBox.Show("You must choose one or more TCP ports to listen on for Proxy traffic!");
                return;
            }
            string portsStr = textBox1.Text;

            string[] portsStrs = portsStr.Split(',');
            int[]    ports     = new int[portsStrs.Length];
            for (int i = 0; i < portsStrs.Length; i++)
            {
                ports[i] = int.Parse(portsStrs[i]);
            }
            CaptureService.ProxyCapturePorts = ports;
            CaptureService.SelectDevice(cb_interfaceList.SelectedIndex);
            this.Close();
        }