NLogTest.cs

using NLog;
using NLog.Targets;

/*
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <configSections>
    <section name="nlog" type="NLog.Config.ConfigSectionHandler, NLog"/>
  </configSections>
  <startup>
    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2" />
  </startup>
  <nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <targets>
      <target name="f1" xsi:type="File" fileName="file1.txt"/>
      <target name="f2" xsi:type="File" fileName="file2.txt"/>
    </targets>
    <rules>
      <logger name="NLogTest.Test1" minlevel="Trace" writeTo="f1" />  
      <logger name="*" minlevel="Trace" writeTo="f2" />  
    </rules>
  </nlog>
</configuration>
*/
namespace NLogTest
{
    public class Test1
    {
        public void Call()
        {
            var log = LogManager.GetCurrentClassLogger();
            log.Debug("Hello World => Test 1");
        }
    }

    public class Test2
    {
        public void Call()
        {
            LogManager.GetCurrentClassLogger().Debug("Hello World => Test 2");
        }
    }


    class Program
    {
        static void Main(string[] args)
        {
            LogManager.ThrowConfigExceptions = true;
            new Test1().Call();
            new Test2().Call();
        }
    }
}