Arraylist

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;

using System.Collections;

namespace WindowsFormsApplication1

{

    public partial class arraylist : Form

    {

        public arraylist()

        {

            InitializeComponent();

        }

        private void arraylist_Load(object sender, EventArgs e)

        {

            ArrayList arr = new ArrayList();

            arr.Add("hello");

            arr.Add("1234");

            arr.Add("cmd");

            comboBox1.DataSource = arr;

        }

    }

}