HpToolsLauncher.Helper.GetLastRunFromReport C# (CSharp) Method

        public static string GetLastRunFromReport(string reportPath)
        {
            if (!Directory.Exists(reportPath))
                return null;
            string resultsFileFullPath = reportPath + @"\" + ResultsFileName;
            if (!File.Exists(resultsFileFullPath))
                return null;
            try
            {
                var root = XElement.Load(resultsFileFullPath);

                var element = root.XPathSelectElement("//Doc/Summary");
                var lastStartRun = element.Attribute("sTime");
                return lastStartRun.Value.Split(new char[] {' '})[0];

            }
            catch (Exception)
            {
                return null;
            }
        }