using System;
class Employee { }
class ContractEmployee : Employee { }
class CastExample5
{
public static void Main ()
{
Employee e = new Employee();
Console.WriteLine("e = {0}", e == null ? "null" : e.ToString());
ContractEmployee c = e as ContractEmployee;
Console.WriteLine("c = {0}", c == null ? "null" : c.ToString());
}
}