HtmlAgilityPack.HtmlWeb.SaveCacheHeaders C# (CSharp) Method

        private void SaveCacheHeaders(Uri requestUri, HttpWebResponse resp)
        {
            // we cache the original headers aside the cached document.
            string file = GetCacheHeadersPath(requestUri);
            XmlDocument doc = new XmlDocument();
            doc.LoadXml("<c></c>");
            XmlNode cache = doc.FirstChild;
            foreach (string header in resp.Headers)
            {
                XmlNode entry = doc.CreateElement("h");
                XmlAttribute att = doc.CreateAttribute("n");
                att.Value = header;
                entry.Attributes.Append(att);

                att = doc.CreateAttribute("v");
                att.Value = resp.Headers[header];
                entry.Attributes.Append(att);

                cache.AppendChild(entry);
            }
            doc.Save(file);
        }