static void Main(string[] args)
{
FileTarget wrappedTarget = new FileTarget();
wrappedTarget.FileName = "${basedir}/file.txt";
PostFilteringTargetWrapper postFilteringTarget = new PostFilteringTargetWrapper();
postFilteringTarget.WrappedTarget = wrappedTarget;
// set up default filter
postFilteringTarget.DefaultFilter = "level >= LogLevel.Info";
FilteringRule rule;
// if there are any warnings in the buffer
// dump the messages whose level is Debug or higher
rule = new FilteringRule();
rule.Exists = "level >= LogLevel.Warn";
rule.Filter = "level >= LogLevel.Debug";
postFilteringTarget.Rules.Add(rule);
BufferingTargetWrapper target = new BufferingTargetWrapper();
target.BufferSize = 100;
target.WrappedTarget = postFilteringTarget;
NLog.Config.SimpleConfigurator.ConfigureForTargetLogging(target, LogLevel.Debug);
Logger logger = LogManager.GetLogger("Example");
logger.Debug("log message");
}
protected void Application_Start(object sender, EventArgs e)
{
FileTarget fileTarget = new FileTarget();
fileTarget.FileName = "${basedir}/logfile.txt";
PostFilteringTargetWrapper postfilteringTarget = new PostFilteringTargetWrapper();
ASPNetBufferingTargetWrapper aspnetBufferingTarget = new ASPNetBufferingTargetWrapper();
aspnetBufferingTarget.WrappedTarget = postfilteringTarget;
postfilteringTarget.WrappedTarget = fileTarget;
postfilteringTarget.DefaultFilter = "level >= LogLevel.Info";
FilteringRule rule = new FilteringRule();
rule.Exists = "level >= LogLevel.Warn";
rule.Filter = "level >= LogLevel.Debug";
postfilteringTarget.Rules.Add(rule);
SimpleConfigurator.ConfigureForTargetLogging(aspnetBufferingTarget, LogLevel.Debug);
}