Forex_Strategy_Builder.JForex_Import.ImportBarFile C# (CSharp) Method

        void ImportBarFile(JForex_Data_Files file)
        {
            StreamReader streamReader = new StreamReader(file.FilePath);
            StreamWriter streamWriter = new StreamWriter(file.FileTargetPath);

            string dateFormat;
            dateFormat = "yyyy.MM.dd HH:mm:ss";

            char fieldSplitter = ',';
            IFormatProvider formatProvider = System.Globalization.CultureInfo.InvariantCulture;
            string line = "";
            int bars = 0;

            try
            {
                while (!streamReader.EndOfStream)
                {
                    line = streamReader.ReadLine();
                    if (line.StartsWith("Time"))
                        continue; // Skips annotation line.

                    string[] data = line.Split(new char[] { fieldSplitter });

                    DateTime time   = DateTime.ParseExact(data[0], dateFormat, formatProvider);
                    double   open   = StringToDouble(data[1]);
                    double   high   = StringToDouble(data[2]);
                    double   low    = StringToDouble(data[3]);
                    double   close  = StringToDouble(data[4]);
                    int      volume = (int)StringToDouble(data[5]);

                    if (volume > 0 && !(open == high && open == low && open == close))
                    {
                        streamWriter.WriteLine(
                            time.ToString("yyyy-MM-dd\tHH:mm") + "\t" +
                            open.ToString()  + "\t" +
                            high.ToString()  + "\t" +
                            low.ToString()   + "\t" +
                            close.ToString() + "\t" +
                            volume.ToString()
                        );
                        bars++;
                    }
                }
            }
            catch (Exception excaption)
            {
                MessageBox.Show(excaption.Message);
            }

            streamWriter.Close();
            streamReader.Close();
            SetInfoText(file.Symbol + " " + Data.DataPeriodToString((DataPeriods)file.Period) + " - " +
                (Language.T("Bars")).ToLower() + ": " + bars.ToString() + Environment.NewLine);
        }