ttaudio.TaskForm.OnLoad C# (CSharp) Method

        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);

            var patternLayout = new PatternLayout();
            patternLayout.AddConverter("rfc3339", typeof(Rfc3339Converter));
            patternLayout.ConversionPattern = "%rfc3339 %level %message%newline";
            patternLayout.ActivateOptions();

            var a = new TextboxAppender(this.textBoxProgress)
            {
                Layout = patternLayout,
                Threshold = Level.Debug,
                Name = textBoxProgress.Name,
            };
            a.ActivateOptions();
            appender = a;

            ((Hierarchy)log4net.LogManager.GetRepository()).Root.AddAppender(appender);
        }