private async void button2_Click(object sender, RoutedEventArgs e)
        {
            var proxy2 = new Service2Client();

            var game = await proxy2.GetDataUsingDataContractAsync(new Game()
            {
                BoolValue   = true,
                StringValue = "Jhon"
            });

            MessageBox.Show($"{game.StringValue}, {game.BoolValue}");
        }