Using the WebBrowser as an extention possibility

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace CodeProject_WebBrowser_Article
{
    public partial class MainForm : Form
    {
        public MainForm()
        {
            InitializeComponent();

            myWebBrowser.ObjectForScripting = new WindowExternal();
        }

        private void myExitToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Close();
        }

        private void myLoadANicePageButton_Click(object sender, EventArgs e)
        {
            // Just one little thing I keep to forget, the Enviroment.CurrentDirectory does not
            // contain a PathSeperator on the end... Stupid hu :-S
            string aFile = Environment.CurrentDirectory + System.IO.Path.DirectorySeparatorChar + "myExtentionPage.html";

            // To load a url you just call the Navigate method.
            // There are many ways to call the Navigate method, I have used the easiest.
            // If you want to know more about this, check out the MSDN documentation...
            myWebBrowser.Navigate(aFile);
        }

        private void myCallAMethodButton_Click(object sender, EventArgs e)
        {
            // You can call any method from the page you loaded...
            // I have enclosed this call in a try-catch, because it will
            // create a exception when there isn't a page loaded ...
            try
            {
                // If you call a method, you can use a object array to
                // supply parameters. My method only has 1 parameter,
                // so I give 1 object in the array.
                myWebBrowser.Document.InvokeScript("InvokeMethod", new object[] { "Wow, impressive !" });
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }
    }
}