<map id="G" name="G">
<area shape="rect" href="$class_qwt_abstract_slider.html" title="An abstract base class for slider widgets." alt="" coords="5,80,131,107"/>
<area shape="rect" href="$class_qwt_double_range.html" title="A class which controls a value within an interval." alt="" coords="8,5,128,32"/>
</map>
