Understanding Delegates (C# reference)

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace Apps

{

    class DelegateWithInstanceMethod

    {

        private int count;

        public DelegateWithInstanceMethod(int count)

        {

            this.count = count;

        }

        public void Print(string message)

        {

            Console.WriteLine(message);

            Console.WriteLine(count);

        }

    }

    class UnderstandingDelegates

    {

        public delegate void PrintValue(string message);

        public static void Main()

        {

            //create delegate and make it point ot method

            PrintValue d = new PrintValue(Print);                    // Example 1

            //invoke method pointed by delegate

            d("Hello - Normal delegate call");

            d.Invoke("Hi");

            //Method group conversion

            PrintValue d2 = Print;                                   // Example 2

            //invoke method pointed by delegate

            d2("Nice - Method group conversion");

            d2.Invoke("Good");

            //Using delegate With Instance Method

            DelegateWithInstanceMethod s = new DelegateWithInstanceMethod(10);         

            //Method group conversion with instance method

            PrintValue d3 = s.Print;                                            // Example 3

            //invoke method pointed by delegate

            d3.Invoke("Invoked the delegate using the instance method");

        }

        public static void Print(string message)

        {

            Console.WriteLine(message);

        }

    }

}