using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
    class EventHandlers
    {
        public void OnBeforeNavigate2(object sender, ref object URL, 
                                      ref object Flags, ref object Target, 
                                      ref object PostData, ref object Headers, 
                                      ref bool Cancel) 
        {
            Console.WriteLine("BeforeNavigate2 fired!");
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            EventHandlers e = new EventHandlers();
            SHDocVw.InternetExplorer IE = new SHDocVw.InternetExplorer();
            object Empty = 0;
            object URL = "http://www.live.com";

            // override BeforeNavigate2 event
            IE.BeforeNavigate2 += new
                 SHDocVw.DWebBrowserEvents2_BeforeNavigate2EventHandler(
                         e.OnBeforeNavigate2);

            IE.Visible = true;
            IE.Navigate2(ref URL, ref Empty, ref Empty, ref Empty, ref Empty);

            System.Threading.Thread.Sleep(5000);

            IE.Quit();
        }
    }
}