App.config

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <configSections>
    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net"/>
  </configSections>
  <startup>
    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6"/>
  </startup>

  <log4net>
    <appender name="Console" type="log4net.Appender.ConsoleAppender">
      <threshold value="INFO"/>
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%level %date{HH:mm:ss} - %message%n"/>
      </layout>
    </appender>

    <appender name="DebugOutput" type="log4net.Appender.DebugAppender">
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%level %date{HH:mm:ss} - %message%n"/>
      </layout>
    </appender>

    <appender name="RollingFile" type="log4net.Appender.RollingFileAppender">
      <file type="log4net.Util.PatternString" value="logs\\log.txt"/>
      <appendToFile value="true"/>
      <rollingStyle value="Composite"/>
      <datePattern value="yyyy-MM-dd-'log.txt'"/>
      <maxSizeRollBackups value="20"/>
      <threshold value="DEBUG"/>
      <lockingModel type="log4net.Appender.FileAppender+MinimalLock"/>
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%level %date{yyyy-MM-dd HH:mm:ss,fff} - %message%newline"/>
      </layout>
    </appender>

    <root>
      <level value="ALL"/>
      <appender-ref ref="DebugOutput"/>
      <appender-ref ref="Console"/>
      <appender-ref ref="RollingFile"/>
    </root>

  </log4net>
</configuration>