private function AddArticlePageSelector()
    {
        $name = 'ArticlePage';
        $this->articlePageSelector = new PageSelector($name, Trans($this->Label($name)), 
                $this->articleList->GetArticlePage());
        
        $this->articlePageSelector->SetSite($this->Page()->GetSite());
        $this->Elements()->AddElement($name, $this->articlePageSelector);
    }