private void btnEnterPlayerData_Click(object sender, RoutedEventArgs e)
        {
            wUd = new WindowUserData();

            wUd.lbUsers.DataContext = Data.Users;

            this.Hide();
            wUd.ShowDialog();
            this.Show();
        }
        private void btnEnterPlayerData_Click(object sender, RoutedEventArgs e)
        {
            wUd = new WindowUserData();

            wUd.lbUsers.DataContext = Data.Users;

            this.Hide();
            wUd.ShowDialog();
            this.Show();
        }