Add items Undo items in Listbox

In this blog we will know how to add items to list box and undo the added items.

In this blog we will know how to add items to list box and undo the added items.

 

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 Listbox_add_undo_items

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

 

        private void btn_add_Click(object sender, EventArgs e)

        {

            listBox1.SelectedIndex = listBox1.Items.Add(textBox1.Text);

            textBox1.Clear();

        }

 

        private void btn_undo_Click(object sender, EventArgs e)

        {

            if (listBox1.Items.Count > 0)

            {

                listBox1.Items.RemoveAt(listBox1.Items.Count - 1);

            }

        }

    }

}