gistfile1.txt

using System;
using System.IO;
using System.Net;
using System.Reflection;

namespace WebExceptionTest
{
	class MainClass
	{
		public static void Main(string[] args)
		{
			Type type = Type.GetType("Mono.Runtime");
			if (type != null)
			{
				MethodInfo displayName = type.GetMethod("GetDisplayName", BindingFlags.NonPublic | BindingFlags.Static);
				if (displayName != null)
					Console.WriteLine(displayName.Invoke(null, null));
			}


			var request = WebRequest.CreateHttp("https://www.googleapis.com/calendar/v3/users/me/calendarList");
			request.AutomaticDecompression = DecompressionMethods.Deflate | DecompressionMethods.GZip;
			request.Headers[HttpRequestHeader.Authorization] = "Bearer EXPIREDTOKEN";
			try
			{
				request.GetResponse();
			}
			catch (WebException e)
			{
				string error;
				using (var sr = new StreamReader(e.Response.GetResponseStream()))
					error = sr.ReadToEnd();
			}
		}
	}
}