2"><td class=SEntry><a href="#mxGraphSelectionModel.isEmpty" id=link16 onMouseOver="ShowTip(event, 'tt13', 'link16')" onMouseOut="HideTip('tt13')">isEmpty</a></td><td class=SDescription>Returns true if no cells are currently selected.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphSelectionModel.clear" id=link17 onMouseOver="ShowTip(event, 'tt14', 'link17')" onMouseOut="HideTip('tt14')">clear</a></td><td class=SDescription>Clears the selection and fires a &lt;change&gt; ev