log4net

<configSections>
    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net" />
  </configSections>

  <log4net>
    <appender name="OutputDebug" type="log4net.Appender.OutputDebugStringAppender, log4net">
      <layout type="log4net.Layout.PatternLayout,log4net">
        <conversionPattern value="%d [%t] %-5p %c - %m%n"/>
      </layout>
    </appender>
    <root>
      <level value="All" />
      <appender-ref ref="OutputDebug" />
    </root>
  </log4net>


log4net.Config.XmlConfigurator.Configure();

private static readonly ILog log = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);