How to Use Key Event Args in C#

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 _10._1_keyboard

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private void Form1_KeyDown(object sender, KeyEventArgs e)

        {

            label1.Text = "Alt " + (e.Alt ? "Yes" : "No") + "\n" + " Shift"

                + (e.Shift ? " Yes" : "No") + " Ctrl " + (e.Control ? " Yes" : " No")

                + "\n" + "Key Code " + e.KeyCode + "\n" + "Key Value "

                + e.KeyValue + "\n" + "Key Data " + e.KeyData + "\n";

           

        }

    }

}