private void OnAppendLoggingEvent(AppendLoggingEventEventArgs e)
 {
     EventHandler<AppendLoggingEventEventArgs> handler = _appendLoggingEvent;
     if (handler != null)
         handler(this, e);
 }
 private void ProfilingAppenderAppendLoggingEvent(object sender, AppendLoggingEventEventArgs e)
 {
     _messages.Add(new LogMessage
     {
         Message = string.Format("{0}: {1}", e.LoggingEvent.LoggerName, e.LoggingEvent.RenderedMessage),
         TimestampUtc = DateTime.UtcNow
     });
 }