using System;
using System.Security.Principal;
using System.Threading;
using System.Security.Permissions;
using System.Runtime.Remoting.Messaging;

public class Starter 
{
        public static void Main() 
	{
		CallContext.SetData("TestData", 100);		

		Apple myapple=new Apple();
		myapple.Peel();

		Thread t=new Thread(new ThreadStart(Thread2));
		t.Start();
		t.Join();

	 	CallContext.FreeNamedDataSlot("TestData");
       }

	public static void Thread2() {
		try 
		{
			int data=(int) CallContext.GetData("TestData");
			Console.WriteLine("Thread2: The data is {0}", data);
		}
		catch(SystemException) 
		{
			Console.WriteLine("Thread2: CallContext.GetData failed");
		}
	}
}	

class Apple
{
	public void Peel()
	{
		try 
		{
			int data=(int) CallContext.GetData("TestData");
			Console.WriteLine("Peel: The data is {0}", data);
		}
		catch(SystemException) 
		{
			Console.WriteLine("Peel: CallContext.GetData failed");
		}		
	}
}