// (c) 2006 Richard Grimes
// www.grimes.demon.co.uk

using System;
using System.Threading;
using System.Security.Principal;

class App
{
   static void Main()
   {
      AppDomain.CurrentDomain.SetPrincipalPolicy(PrincipalPolicy.WindowsPrincipal);
      Console.WriteLine("Thread Principal: {0}", Thread.CurrentPrincipal.Identity.Name);
   }
}