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• Internet Explorer Automation

The Class Explorer Provides very basic set of operations on Internet Explorer. Before use this class you have to add c:\windows\system32\shdocvw.dll , c:\windows\system32\mshtml.tlb files as references of the project.

The main program given below can be used to test this class.

download the project (Please change th extention to .zip after downloading.

//Explorer Class

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

using SHDocVw;
using mshtml;

namespace IEAutomationFS
{
    /*
     * c:\windows\system32\shdocvw.dll
     * c:\windows\system32\mshtml.tlb
     *
     * as references.
     */
    public class Explorer
    {
        private InternetExplorer explorer;
        private HTMLDocument document;

        /// <summary>
        /// create new Internet Explorer instance and show it
        /// </summary>
        public Explorer()
        {
            explorer = new InternetExplorer();
            explorer.Visible = true;
            explorer.NavigateComplete2 += new DWebBrowserEvents2_NavigateComplete2EventHandler (explorer_NavigateComplete2);
        }

        /// <summary>
        /// Fires when Navigation Completed
        /// </summary>
        /// <param name="URL">The URL.</param>
        private void explorer_NavigateComplete2 (object pDisp, ref object URL)
        {
            this.document = (HTMLDocument) explorer.Document;
            NavigateCompleteEvent ((HTMLDocument)this.document, URL.ToString());
        }

        /// <summary>
        /// navigate to given url
        /// </summary>
        public void Navigate(string url)
        {
            object empty = string.Empty;
            explorer.Navigate (url,ref empty,ref empty,ref empty,ref empty);
        }

        /// <summary>
        /// Get the current html Document
        /// </summary>
        public HTMLDocument Document
        {
            get
            {
                if (document == null)
                {
                    return null;
                }

                return document;
            }
        }

        public delegate void NavigateCompleteEventHandler (HTMLDocument document, string url);

        public event NavigateCompleteEventHandler NavigateCompleteEvent;
    }
}

//main Program to test the explorer class

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

using mshtml;

namespace IEAutomationFS
{
    class Program
    {
        static void Main(string[] args)
        {
            //create new Explorer instance
            Explorer explorer = new Explorer();

            //bind the Navigation Complete Event
            explorer.NavigateCompleteEvent += new Explorer.NavigateCompleteEventHandler (explorer_NavigateCompleteEvent);

            //navigate to a url
            explorer.Navigate("http://freesnippets.co.nr/");

            //wait until user press a key
            Console.ReadKey();
        }

        static void explorer_NavigateCompleteEvent (mshtml.HTMLDocument document, string url)
        {
            Console.WriteLine("Navigation Completed");
            Console.WriteLine("URL = " + url);

            HTMLInputTextElement box = (HTMLInputTextElement)document.getElementById("q");
            box.value = "Internet Explorer Automation";

            HTMLInputButtonElement button = (HTMLInputButtonElement)document.getElementById("sbb");
            button.click();
        }
    }
}