<html>
<head>
<title></title>
<script type="text/javascript">
function ShowMessage(message)
{
alert(message);
}
function ShowWinFormsMessage() {
var msg = document.getElementById('txtMessage').value;
return window.external.ShowMessage(msg);
}
</script>
</head>
<body>
<input type="text" id="txtMessage" />
<input type="button" value="Show Message" onclick="ShowWinFormsMessage()" />
</body>
</html>
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;
using System.Runtime.InteropServices;
namespace WebBrowserJavaScriptExample
{
public partial class frmMain : Form
{
public frmMain()
{
InitializeComponent();
webBrowser1.ObjectForScripting = new ScriptManager(this);
}
private void btnShowMessage_Click(object sender, EventArgs e)
{
object[] o = new object[1];
o[0]=txtMessage.Text;
object result = this.webBrowser1.Document.InvokeScript("ShowMessage", o);
}
private void frmMain_Load(object sender, EventArgs e)
{
this.webBrowser1.Navigate(@"E:\Projects\2010\WebBrowserJavaScriptExample\WebBrowserJavaScriptExample\TestPage.htm");
}
[ComVisible(true)]
public class ScriptManager
{
frmMain _form;
public ScriptManager(frmMain form)
{
_form = form;
}
public void ShowMessage(object obj)
{
MessageBox.Show(obj.ToString());
}
}
}
}