p;button:&nbsp;start&nbsp;up&nbsp;adaptation</span><br>
&nbsp;&nbsp;&nbsp;bottom=bottom+height;<br>
&nbsp;&nbsp;&nbsp;hbtplay&nbsp;=&nbsp;<span class=graph>uicontrol</span>(...<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class=quotes>'Units'</span>,<span class=quotes>'Normalized'</span>,&nbsp;...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=quotes>'ListboxTop'</span>,0,&nbsp;...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=quotes>'Position'</span>,[left&nbsp;bottom&nbsp;width&nbsp;height],&n