nt7 -bartype debug

        void writeBarTypeLog(DateTime time, int bar, string msg)
        {
            // local variables
            string path = string.Concat(Cbi.Core.UserDataDir.ToString(), @"log\YourFileName.log");
            FileInfo file = new FileInfo(path);

            // ensure file exists
            if (!file.Exists)
            {
                using (StreamWriter sw = file.CreateText())
                {
                    try
                    {
                        sw.WriteLine(string.Concat("===== ", DateTime.Now.ToString(), " ====="));
                        sw.Flush();
                    }
                    catch (Exception ex) { }

                    sw.Close();
                }
            }

            // write debug entry
            using (StreamWriter sw = File.AppendText(path))
            {
                try
                {
                    sw.WriteLine("{0} : {1} \r\n{2}", time, bar, msg);
                    sw.Flush();
                }
                catch (Exception ex) { }

                sw.Close();
            }
        }