NLog rolling

NLog.config

<?xml version="1.0" encoding="utf-8" ?>
<nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      autoReload="true">

  <!-- make sure to set 'Copy To Output Directory' option for this file -->
  <!-- go to http://nlog-project.org/wiki/Configuration_file for more information -->

  <targets>
    <target name="file" xsi:type="File"
        layout="${longdate}|${level}|${processid}|${logger}${newline}    ${message}${newline}${exception:format=ToString}"
        fileName="${basedir}/logs/_log.txt"
        archiveFileName="${basedir}/logs/log.{#}.txt"
        archiveEvery="Day"
        archiveNumbering="Rolling"
        maxArchiveFiles="30"
        concurrentWrites="true"
        keepFileOpen="false"
        encoding="iso-8859-2" />
  </targets>

  <rules>
    <logger name="*" minlevel="Debug" writeTo="file" />
  </rules>
</nlog>