C#.NET Program 7

Output:

Code:

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 Question_7

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        //Add Items ListBox1 & ListBox2 through their properties

        //LiostBox1 to ListBox2

        private void button1_Click(object sender, EventArgs e)

        {

            listBox2.Items.Add(listBox1.SelectedItem);

            listBox1.Items.Remove(listBox1.SelectedItem);

        }

        //ListBox2 to ListBox1

        private void button2_Click(object sender, EventArgs e)

        {

            listBox1.Items.Add(listBox2.SelectedItem);

            listBox2.Items.Remove(listBox2.SelectedItem);

        }

    }

}