public function getRtfCode()
    {
        $content = '{\fftype2\ffres25\fftypetxt0\ffhaslistbox\ffdefres0';
        foreach ($this->_items as $text) {
            $text = PHPRtfLite_Utf8::getUnicodeEntities($text, $this->_rtf->getCharset());
            $content .= '{\*\ffl ' . $text . '}';
        }
        $content .= '}';
        return $content;
    }