SHDocVw.WebBrowser SHVW=new SHDocVw.WebBrowser();
mshtml.HTMLDocument htmldoc=(mshtml.HTMLDocument)SHVW.Document;
mshtml.IHTMLElement Ihtmlele;
Ihtmlele=(mshtml.IHTMLElement)htmldoc.document.all.item("Image1",0);
//如何捕获ihtmlele的onclick事件？？？？？？(不使用.net的webbrowser)