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 WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            webBrowser1.Navigating += new WebBrowserNavigatingEventHandler(webBrowser1_Navigating);
            webBrowser1.DocumentCompleted += new WebBrowserDocumentCompletedEventHandler(webBrowser1_DocumentCompleted);
        }
        int xxcount = 0;
        void webBrowser1_Navigating(object sender, WebBrowserNavigatingEventArgs e)
        {
            System.Threading.Interlocked.Increment(ref xxcount);
        }

        void webBrowser1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
        {
            System.Threading.Interlocked.Decrement(ref xxcount);
            if (xxcount == 0)
            {
                SHDocVw.IWebBrowser2 axweb = (SHDocVw.IWebBrowser2)webBrowser1.ActiveXInstance;
                //もっと細かい制御をここで
            }
        }
    }
}