protected override void OnStart(TextWriter writer)
        {
            _listItem = GetHelper().Element("li").Component;
            _listItem.MergeAttribute("role", "presentation");
            if(Disabled)
            {
                _listItem.AddCss(Css.Disabled);
            }
            if (Active)
            {
                _listItem.AddCss(Css.Active);
            }
            _listItem.Start(writer);

            base.OnStart(writer);
        }