public HtmlDocumentFacade(IDocumentHost host)
{
_host = host;
this.Trace("createHTMLDocument");
_htmlDoc = new HtmlDocument();
HtmlNode.ElementsFlags.Remove("option");
HtmlNode.ElementsFlags.Remove("form");
string content = host.GetContentOfDocument();
_htmlDoc.LoadHtml(content);
this.Trace("endCreateHTMLDocument");
this.ProcessContext = new ProcessingContext();
}
