public virtual void WriteHeader(TextWriter writer, Tab first, TypeContext context)
{
using (TabContainer.Surround(writer, new HtmlTag("li").Class(this == first ? "active" : null)))
using (TabContainer.Surround(writer, new HtmlTag("a").Attr("href", "#" + context.Compose(this.Id)).Attr("data-toggle", "tab").Attr("title", this.ToolTip)))
this.Title.WriteTo(writer);
}