ILog extension for TRACE and VERBOSE log4net levels

LogExtensions.cs

using System;
using System.Globalization;
using log4net.Util;

namespace log4net
{
    public static class LogExtentions
    {
        private static readonly Type ThisDeclaringType = typeof(LogExtentions);

        public static void Trace(this ILog log, string message, Exception exception)
        {
            log.Logger.Log(
                ThisDeclaringType,
                Core.Level.Trace,
                message, exception
                );
        }

        public static void Trace(this ILog log, string message)
        {
            log.Trace(message, null);
        }

        public static void TraceFormat(this ILog log, string format, params object[] args)
        {
            log.Logger.Log(
                ThisDeclaringType,
                Core.Level.Trace,
                new SystemStringFormat(CultureInfo.InvariantCulture, format, args),
                null
                );
        }

        public static void Verbose(this ILog log, string message, Exception exception)
        {
            log.Logger.Log(
                ThisDeclaringType,
                Core.Level.Verbose,
                message, exception
                );
        }

        public static void Verbose(this ILog log, string message)
        {
            log.Verbose(message, null);
        }

        public static void VerboseFormat(this ILog log, string format, params object[] args)
        {
            log.Logger.Log(
                ThisDeclaringType,
                Core.Level.Verbose,
                new SystemStringFormat(CultureInfo.InvariantCulture, format, args),
                null
                );
        }
    }
}