C# Multi-casting delegate program sample | Multicast Delegate in C#

Program

using System;

namespace DelegatesAndEvents

{

    class DelegateSample02

    {

        public delegate void demoFunDelegate();

        public static void display1()

        {

            Console.WriteLine("Welcome to C#");

        }

        public static void display2()

        {

            Console.WriteLine("Programming Samples by");

        }

        public static void display3()

        {

            Console.WriteLine("Syed Nawas Ahamed");

        }

        public static void Main(String[] args)

        {

            demoFunDelegate delg1, delg2, delg3, multicastDelg;

            delg1 = new demoFunDelegate(display1);

            delg2 = new demoFunDelegate(display2);

            delg3 = new demoFunDelegate(display3);

            Console.WriteLine("First multi-casting delegate call");

            multicastDelg = delg1 + delg2 + delg3;

            multicastDelg();

            Console.WriteLine("\nSecond multi-casting delegate call");

            multicastDelg = multicastDelg - delg1;

            multicastDelg();

            //otherwise write below

            //sampledelegate delg = new sampledelegate(display1);

            //delg += display2;

            //delg += display3;

            //delg -= display1;

            //delg();

            Console.ReadKey();

        }

    }

}

Output

First multi-casting delegate call

Welcome to C#

Programming Samples by

Syed Nawas Ahamed

Second multi-casting delegate call

Programming Samples by

Syed Nawas Ahamed