private void StartButton_Click(object sender, RoutedEventArgs e)
{
if (ServerSelect.IsChecked != null && ServerSelect.IsChecked == true) {
ServerWindow win = new ServerWindow() { Port = int.Parse(serverPort.Text) };
win.Init();
win.Show();
} else {
ClientWindow win = new ClientWindow() { Port = int.Parse(clientPort.Text), Address = clientAddr.Text, ourNickname = clientNick.Text };
win.Init();
win.Show();
}
Close();
}