static void Main(string[] args)
{
Delegate dele = new Delegate();
Comparer cmpf = new Comparer(Delegate.CompareFirstNames);
Comparer cmpl = new Comparer(Delegate.CompareLastNames);
Console.WriteLine("\n Before Sort: \n");
dele.PrintNames();
dele.Sort(cmpf);
Console.WriteLine("\n After CompareFirstNames Sort: \n");
dele.PrintNames();
dele.Sort(cmpl);
Console.WriteLine("\n After CompareLastNames Sort: \n");
dele.PrintNames();
Console.ReadLine();
}