nd eventName. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxLayoutManager.beforeUndo" id=link19 onMouseOver="ShowTip(event, 'tt18', 'link19')" onMouseOut="HideTip('tt18')">beforeUndo</a></td><td class=SDescription>Called from <a href="#mxLayoutManager.undoHandler" class=LVariable id=link20 onMouseOver="ShowTip(event, 'tt7', 'link20')" onMouseOut="HideTip('tt7')">undoHandler</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxLayoutManager.cellsMoved" id=