Clock

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace WindowsApplication2
{
public partial class Form2 : Form
{
public Form2()
{
InitializeComponent();
}
private void timer1_Tick(object sender, EventArgs e)
{
label1.Text = DateTime.Now.ToString("HH : mm : ss");
}

}
}