Configure rolling file logging for nlog

gistfile1.txt

  SimpleConfigurator.ConfigureForTargetLogging(
                new NLog.Targets.FileTarget()
                {
                    FileName = "${specialfolder:MyDocuments}/logs/" + filename + ".${shortdate}.txt",
                    Layout = new NLog.Layouts.SimpleLayout("${longdate} [${level:uppercase=true}] [${threadid}] ${callsite} - ${message}"),
                    ArchiveFileName = "${specialfolder:MyDocuments}/logs/archived/" + filename + ".{#####}.txt",
                    ArchiveAboveSize = 10000000 /* 10 MB */,
                    ArchiveNumbering = ArchiveNumberingMode.Sequence,
                    ConcurrentWrites =  true,
                    KeepFileOpen = false,
                    MaxArchiveFiles = 50,

                },
                LogLevel.Debug
            );