public static void SaveUriPageContentToTxtFile(Uri uri, string filePath)
        {
            HtmlDocument doc         = WKGE.GetHtmlDocumentFromUri(uri);
            HtmlNode     contentRoot = WKGE.GetWikipediaPageContentNode(doc);

            if (contentRoot != null)
            {
                File.WriteAllText(filePath, contentRoot.InnerText);
            }
        }
        public static void SaveUriToHtmlFile(Uri uri, string filePath)
        {
            HtmlDocument doc = WKGE.GetHtmlDocumentFromUri(uri);

            File.WriteAllText(filePath, doc.DocumentNode.OuterHtml);
        }