using System;using System.Windows.Forms;using System.Security.Permissions;[PermissionSet(SecurityAction.Demand, Name="FullTrust")][System.Runtime.InteropServices.ComVisibleAttribute(true)]public class Form1 : Form
{
private WebBrowser webBrowser1 = new WebBrowser(); private Button button1 = new Button(); [STAThread] public static void Main()
{
Application.EnableVisualStyles(); Application.Run(new Form1());
} public Form1() { button1.Text = "call script code from client code"; button1.Dock = DockStyle.Top; button1.Click += new EventHandler(button1_Click); webBrowser1.Dock = DockStyle.Fill; Controls.Add(webBrowser1); Controls.Add(button1); Load += new EventHandler(Form1_Load); } private void Form1_Load(object sender, EventArgs e) { webBrowser1.AllowWebBrowserDrop = false; webBrowser1.IsWebBrowserContextMenuEnabled = false; webBrowser1.WebBrowserShortcutsEnabled = false; webBrowser1.ObjectForScripting = this; // Uncomment the following line when you are finished debugging. //webBrowser1.ScriptErrorsSuppressed = true; webBrowser1.DocumentText = "<html><head><script>" + "function test(message) { alert(message); }" + "</script></head><body><button " + "onclick=\"window.external.Test('called from script code')\">" + "call client code from script code</button>" + "</body></html>"; } public void Test(String message) { MessageBox.Show(message, "client code"); } private void button1_Click(object sender, EventArgs e) { webBrowser1.Document.InvokeScript("test", new String[] { "called from client code" }); }
}