HelloWorld.MainPage.Greet_Click C# (CSharp) Method

        private async void Greet_Click(object sender, RoutedEventArgs e)
        {
            var service = new HelloworldService(new BaseClientService.Initializer()
                {
                    ApplicationName = "Endpoints Sample",
                });
            var response = await service.Greetings.GetGreeting(0).ExecuteAsync();
            ResponseTextBlock.Text = response.Message;
        }
        // [END greet]