private async void b_login_Click(object sender, RoutedEventArgs e) { LoginViewModel login = new LoginViewModel { Login = "******", Senha = "adm123*" }; WSService ws = new WSService(); var result = await ws.Login(login); if (result.GetType() == typeof(Response)) { var response = ((Response)result); MessageDialog msg = new MessageDialog(response.Data.ToString()); await msg.ShowAsync(); return; } MessageDialog msgOk = new MessageDialog("Ok"); await msgOk.ShowAsync(); }