AjaxControlToolkit.TabContainer.AddParsedSubObject C# (CSharp) Method

        protected override void AddParsedSubObject(object obj)
        {
            var objTabPanel = obj as TabPanel;
            if(null != objTabPanel) {
                Controls.Add(objTabPanel);
            } else if(!(obj is LiteralControl)) {
                throw new HttpException(string.Format(CultureInfo.CurrentCulture, "TabContainer cannot have children of type '{0}'.", obj.GetType()));
            }
        }