private function _readPrintGridlines()
	{
		$length = self::_GetInt2d($this->_data, $this->_pos + 2);
		$recordData = substr($this->_data, $this->_pos + 4, $length);

		// move stream pointer to next record
		$this->_pos += 4 + $length;

		if ($this->_version == self::XLS_BIFF8 && !$this->_readDataOnly) {
			// offset: 0; size: 2; 0 = do not print sheet grid lines; 1 = print sheet gridlines
			$printGridlines = (bool) self::_GetInt2d($recordData, 0);
			$this->_phpSheet->setPrintGridlines($printGridlines);
		}
	}