webBrowser 调用html元素的事件

  private   void  button1_Click( object  sender, EventArgs e)
         ... {
            object  o =   this .webBrowser1.Document.GetElementById( " char_leben_tt " ).InvokeMember( " onMouseOver " );
             // this.webBrowser1.Document.GetElementById("char_leben_tt").MouseOver += new HtmlElementEventHandler(Form1_MouseOver);
        }