Multitasking of delegates is very useful property of delegates , you can create invocation list of methods that will be called a delegate is invoked. Show in the example.
Example
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
delegate int change_number(int i); //create delegate change number
namespace using_multicasting_delegates_in_c_Sharp
{
class TestDelegate //create class test delegate
{
static int number = 15; //static number declare
public static int Add(int k) //create static function add
{
number += k;
return number;
}
public static int Multiply(int l) //create static function Multiply
{
number *= l;
return number;
}
public static int display() //create static function display
{
return number;
}
static void Main(string[] args)
{
change_number cn; //create delegate instances
change_number cn2 = new change_number(Add);
change_number cn3 = new change_number(Multiply);
cn = cn2;
cn += cn3;
cn(10); //calling multicast
Console.WriteLine("Value of Num: {0}", display());
Console.ReadKey();
}
}
}
Output:
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