'tt4')">toolbar</a> and return the resulting DOM node that represents the option.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxDefaultToolbar.addMode" id=link27 onMouseOver="ShowTip(event, 'tt20', 'link27')" onMouseOut="HideTip('tt20')">addMode</a></td><td class=SDescription>Creates an item for selecting the given mode in the <a href="#mxDefaultToolbar.editor" class=LVariable id=link28 onMouseOver="ShowTip(event, 'tt2', 'link28')" onMouseOut="HideTip('tt2')">editor</a>&rsquo;s graph.