Html Agility Pack usage

How can i select all html t开发者_如何转开发ags using Html Agility Pack and put it in a List so i can see all the available tags in a web page.

Thanks,

jepe

 HtmlDocument doc = new HtmlDocument();
 doc.Load("file.htm");
 foreach(HtmlNode node in doc.DocumentNode.SelectNodes("//*"){
         ///..... do something with node
 }