how to use attachedhandlerevent event in wpf webbrowser control
 
   var div = webBrowser1.Document as mshtml.HTMLDocument;
                                                IHTMLElement target = div.getElementById("tabcontent");
                                                if (target != null)
                                                {
                                                    target.AttachEventHandler("onpropertychange", handler);
                                                }//I am getting error in AttachEventHandler
It shows mshtml.ihtmlelement does not contain a definition for AttachEventHandler.