public void WriteLog(LogType type, LogStatus status, string message, params object[] args)
        {
            DateTime now = DateTime.Now;
 
            string path = GetPath(type, now);
 
            string appname;
            string usrname;
 
            if (AppService.Provider.CurrentAppType == null)
                appname = "-";
            else
                appname = AppService.Provider.CurrentAppType.ToString();
 
            if (UserService.Provider.CurrentUser == null)
                usrname = "-";
            else
                usrname = UserService.Provider.CurrentUser.Name;
 
            appname = (appname + new string(' ', 10)).Substring(0, 10);
            usrname = (usrname + new string(' ', 16)).Substring(0, 16);
 
            string line = now.ToString("HH:mm:ss.fff", CultureInfo.InvariantCulture) + " " +
                          status.ToString().Substring(0, 1) + " " +
                          appname + " " +
                          usrname + " " +
                          string.Format(CultureInfo.InvariantCulture, message, args) + Environment.NewLine;
 
            lock (_lck)
            {
                File.AppendAllText(path, line);
#if DEBUG
                Console.Write(line);
#endif
            }
        }