C#

using System;
using System.Net;
using System.Net.Sockets;
using System.Web;
using System.Net.NetworkInformation;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

private void Login_Load(object sender, EventArgs e)
{
    m_ChildForm = new MainChat(this);

    textBox3.Text = Convert.ToString(Dns.GetHostAddresses("www.google.com"));

}