WebBrowser.ExecWB报错？

<!DOCTYPE HTML>
<html>
<head>
<meta charset="UTF-8">
<title>打开“页面设置”对话框</title>
</head>
<body>
    <OBJECT classid="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2" height="0" width="0" id=WebBrowser></OBJECT>
    <input type="button" value="页面设置" onClick="WebBrowser.ExecWB(8,1)">
</body>
</html>