System.Security.Util.Parser.GetTopElement C# (CSharp) Method

        internal SecurityElement GetTopElement()
        {
            if (!ParsedSuccessfully())
                throw new XmlSyntaxException (_t.LineNo);

            return _doc.GetRootElement();
        }

 private PermissionSet ParsePermissionSet(Parser parser)
 {
     SecurityElement topElement = parser.GetTopElement();
     PermissionSet set = new PermissionSet(PermissionState.None);
     set.FromXml(topElement);
     return set;
 }