public override string ToString() { string date = String.Format("--- Date : {0}\r\n", CreationDate.ToLongTimeString()); string url = URL == null ? String.Empty : String.Format("URL : {0}\r\n", URL); string code = String.Format("Code : {0}\r\n", StatusCode); string description = String.Format("Error documentation description : {0}\r\n", TwitterDescription); string exceptionInfos = String.Empty; foreach (var twitterExceptionInfo in TwitterExceptionInfos) { exceptionInfos += String.Format("{0} ({1})\r\n", twitterExceptionInfo.Message, twitterExceptionInfo.Code); } return(String.Format("{0}{1}{2}{3}{4}{5}", date, url, code, description, exceptionInfos)); }