Novice Problem

June 5, 2007

Hi Guys

I got the following program from the website. Address is given. I couldn’t understand the following code in the program. Please anybody explain.

ph = (ProcessHandler) Delegate.Combine(ph, new ProcessHandler(Process));

Thank you

//Delegates:Multicasting

//http://www.java2s.com/Code/CSharp/Language-Basics/DelegatesMulticasting.htm

using System;

public class DelegatesMulticasting

{

      delegate void ProcessHandler(string message);

      static public void Process(string message)

      {

            Console.WriteLine("Test.Process(\"{0}\")", message);

      }

      public static void Main()

      {

            User user = new User("George");

            ProcessHandler ph = new ProcessHandler(user.Process);

            ph = (ProcessHandler) Delegate.Combine(ph, new ProcessHandler(Process));

            ph("Wake Up!");       

      }

}

public class User

{

      string name;

      public User(string name)

      {

            this.name = name;

      }   

      public void Process(string message)

      {

            Console.WriteLine("{0}: {1}", name, message);

      }

}

/*

George: Wake Up!

Test.Process("Wake Up!")

*/