Delegate Example in C#

Code of Delegate Example in C# in windows based application

using System;

using System.Collections.Generic

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

namespace DelegateExample

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

           

        }

        delegate double process(double a, double b);

        static double Multiply(double a, double b)

    {

        return a * b;

    }

        static double divide(double a, double b)

        {

            return a / b;

        }

       

        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)

        {

            double a = Convert.ToDouble(textBox1.Text);

            double b = Convert.ToDouble(textBox2.Text);

            process obj;

            if (comboBox1.SelectedIndex == 0)

            {

                obj = new process(Multiply);

            }

            else

            {

                obj = new process(divide);

            }

            MessageBox.Show("Result :" + Convert.ToString(obj(a, b)));

        }

    }

}