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

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