System.Xml.XPath.XPathException.CreateMessage C# (CSharp) Méthode

        private static string CreateMessage(string res, string[] args)
        {
            try
            {
                string message = args == null ? res : string.Format(res, args);
                if (message == null)
                    message = "UNKNOWN(" + res + ")";
                return message;
            }
            catch (MissingManifestResourceException)
            {
                return "UNKNOWN(" + res + ")";
            }
        }