log4net verbose exception logging

App.config

<configuration>
  <configSections>
    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net"/>
  </configSections>
  <log4net>
    <appender name="SuperConsole" type="log4net.Appender.ConsoleAppender">
      <target value="Console.Error" />
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%date [%thread] %-5level %logger [%ndc] - %message %exception %newline"/>
      </layout>
    </appender>
    <root>
      <priority value="ALL"/>
      <appender-ref ref="SuperConsole"/>
    </root>
    <renderer renderingClass="l4n.FullExceptionRenderer" renderedClass="System.Exception"/>
  </log4net>

FullExceptionRenderer.cs

namespace l4n
{
    public class FullExceptionRenderer : IObjectRenderer
    {
        public void RenderObject(RendererMap rendererMap, object obj, TextWriter writer)
        {
            Exception e = obj as Exception;

            if (e != null)
            {
                // log what we want from the exception
                writer.Write("CUSTOM RENDER is saying Message=\"{0}\", Stack = {1}", e.Message, e.StackTrace);
            }
        }
    }
}

Program.cs

class Program
{
    private static void Main(string[] args)
    {
        Exception e;

        try
        {
            throw new InvalidOperationException("Can't touch this.");
        }
        catch (Exception ex)
        {
            LogManager.GetLogger(typeof(Program)).Error("Caught exception", ex);
        }
    }
}