Idee ohne endlosem Logging

FaxAlarmSource.cs

        void IAlarmSource.RunThread()
        {
            bool isNewError = true;
            while (true)
            {
                try
                {
                //.tif or .pdf
                FileInfo[] files = _faxPath.GetFiles("*.*", SearchOption.TopDirectoryOnly)
                            .Where(_ => _.Name.EndsWith(".tif", StringComparison.InvariantCultureIgnoreCase) || _.Name.EndsWith(".pdf", StringComparison.InvariantCultureIgnoreCase))
                            .ToArray();

                if (files.Length > 0)
                {
                    Logger.Instance.LogFormat(LogType.Trace, this, Properties.Resources.BeginProcessingFaxes, files.Length);

                    foreach (FileInfo file in files)
                    {
                        if(file.Extension == ".pdf")
                        {
                            ProcessNewPdf(file);
                        }
                        else
                        {
                            ProcessNewImage(file);
                        }
                    }
                    isNewError = true;
                    Logger.Instance.LogFormat(LogType.Trace, this, Properties.Resources.ProcessingFaxesComplete);
                }

                Thread.Sleep(RoutineIntervalMs);
                }
                catch(Exception ex)
                {
                    if(isNewError) 
                    {
                        Logger.Instance.LogFormat(LogType.Warning, this, Properties.Resources.FaxDirAccessError, _faxPath.FullName, ex.ToString());
                        isNewError = false;
                    }
                    
                }
            }
        }