public MainPage()
        {
            InitializeComponent();

            try
            {
                var services = new Services();

                // First service call
                services.LoginFacade.GetLogin(this.OnGetLoginComplete);

                // Second service
                var request = new UpdateLoginRequest() { Payload = "Steve (calling UpdateLogin)" };
                services.LoginFacade.UpdateLogin(request, this.OnUpdateLoginComplete);

                // Third service
                services.LoginFacade.WriteToLog(null);
            }
            catch (Exception e)
            {
                this.ErrorTextBlock.Text = Environment.NewLine + "Exception: " + e.Message;
            }
        }
 public UpdateLoginResponse UpdateLogin(UpdateLoginRequest request)
 {
     return new UpdateLoginResponse() { Payload = "Updated " + request.Payload };
 }