PHEMlightdll.CEPHandler.ReadEmissionData C# (CSharp) Method

        private bool ReadEmissionData(bool readFC,
                                      string DataPath,
                                      string emissionClass,
                                      Helpers Helper,
                                      out List<string> header,
                                      out List<List<double>> matrix,
                                      out List<double> idlingValues)
        {
            // declare file stream
            string line;
            header = new List<string>();
            matrix = new List<List<double>>();
            idlingValues = new List<double>();

            string pollutantExtension = "";
            if (readFC)
                pollutantExtension += "_FC";

            string path = DataPath + @"\" + emissionClass + pollutantExtension + ".csv";
            if (!File.Exists(path))
            {
                Helper.ErrMsg = "File do not exist! (" + path + ")";
                return false;
            }
            StreamReader fileReader = File.OpenText(@path);

            // read header line for pollutant identifiers
            if ((line = ReadLine(fileReader)) != null)
            {
                List<string> entries = split(line, ',');
                // skip first entry "Pe"
                for (int i = 1; i < entries.Count; i++)
                {
                    header.Add(entries[i]);
                }
            }

            // skip units
            ReadLine(fileReader);

            // skip comment
            ReadLine(fileReader);

            //readIdlingValues
            line = ReadLine(fileReader);

            List<string> stringIdlings = split(line, ',').ToList();
            stringIdlings.RemoveAt(0);

            idlingValues = todoubleList(stringIdlings);

            while ((line = ReadLine(fileReader)) != null)
            {
                matrix.Add(todoubleList(split(line, ',')));
            }
            fileReader.Close();
            return true;
        }
        #endregion