Program.cs

using NLog;
using NLog.Config;
using NLog.Targets;
using PostSharp.Patterns.Diagnostics;
using PostSharp.Patterns.Diagnostics.Backends.NLog;
using PostSharp.Samples.Logging.BusinessLogic;
using LogLevel = NLog.LogLevel;

// Add logging to all methods of this project.
[assembly: Log]

namespace PostSharp.Samples.Logging.NLog
{
  [Log(AttributeExclude = true)]   // Removes logging from the Program class itself.
  internal static class Program
  {
    private static void Main(string[] args)
    {
      // Configure NLog.
      var nlogConfig = new LoggingConfiguration();

      var fileTarget = new FileTarget("file")
      {
        FileName = "nlog.log",
        KeepFileOpen = true,
        ConcurrentWrites = false
      };

      nlogConfig.AddTarget(fileTarget);
      nlogConfig.LoggingRules.Add(new LoggingRule("*", LogLevel.Debug, fileTarget));

      var consoleTarget = new ConsoleTarget("console");
      nlogConfig.AddTarget(consoleTarget);
      nlogConfig.LoggingRules.Add(new LoggingRule("*", LogLevel.Debug, consoleTarget));



      // Configure PostSharp Logging to use NLog.
      LoggingServices.DefaultBackend = new NLogLoggingBackend(new LogFactory(nlogConfig));

      LogManager.EnableLogging();



      // Simulate some business logic.
      QueueProcessor.ProcessQueue(@".\Private$\SyncRequestQueue");
    }
  }
}