Site Change

using System;
using System.Net;
using System.Windows.Forms;

class Drept
{
    public static void Main()
    {
        string link, diff;

        Console.Write("Link: ");
        link = Console.ReadLine();

        string html = new WebClient().DownloadString(link);

        Console.Write(html);

        do
        {
            diff = new WebClient().DownloadString(link);
        } while (diff == html);

        MessageBox.Show("S-au afisat!");
    }
}