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

class Starter {
        static public void Main() 
	{
                GenericIdentity identity=new GenericIdentity("John");
                GenericPrincipal principal=new GenericPrincipal(identity, new string[] {"Accountant"});
                Thread.CurrentPrincipal=principal;
                principal=(GenericPrincipal) Thread.CurrentPrincipal;
                Console.WriteLine("Main: Identity is {0} and he is {1}an accountant.",
                    principal.Identity.Name,
                    principal.IsInRole("Accountant")?"":"not ");

                Thread t2=new Thread(new ThreadStart(Starter.Thread2));
                t2.Start();
		t2.Join();
         }

         static public void Thread2()
         {
                GenericPrincipal principal=(GenericPrincipal) Thread.CurrentPrincipal;
                Console.WriteLine("Thread2: Identity is {0} and he is {1}an accountant.",
                    principal.Identity.Name,
                    principal.IsInRole("Accountant")?"":"not ");
        }
                
}