How delegates work in .Net ( C# example )

SOURCE: Pro ASP.NET 3.5 Server Controls and AJAX Components


Create new Console application in Visual Studio and run with F5 , Step down by clicking on the main method press F9 to set break point and run by F5 again and F11 for each step ...


SOURCE:

using System;
namespace ControlsBook2.Ch05
{



delegate void SimpleMulticastDelegate(int a);

public class DelegateImplementorClass
{
public void ClassMethod(int i)
{
Console.WriteLine("You passed in " + i.ToString() + " to the class method");
}

static public void StaticClassMethod(int j)
{
Console.WriteLine("You passed in " + j.ToString() +
" to the static class method");
}

public void YetAnotherClassMethod(int k)
{
Console.WriteLine("You passed in " + k.ToString() +
" to yet another class method");
}
}


class Program
{
static void Main(string[] args)
{
DelegateImplementorClass ImpClass = new DelegateImplementorClass();
SimpleMulticastDelegate d = new SimpleMulticastDelegate(ImpClass.ClassMethod);
d(5);

Console.WriteLine("");
d += new SimpleMulticastDelegate(DelegateImplementorClass.StaticClassMethod);
d(10);

Console.WriteLine("");
d += new SimpleMulticastDelegate(ImpClass.YetAnotherClassMethod);
d(15);


Console.WriteLine ( "NOW START REMOVING" );
d -= new SimpleMulticastDelegate ( DelegateImplementorClass.StaticClassMethod );
d ( 35 );
Console.WriteLine ( "" );


Console.Read();
}
}
}