sts for the given cell.&nbsp; This is called from <a href="#mxLayoutManager.hasLayout" class=LFunction id=link56 onMouseOver="ShowTip(event, 'tt16', 'link56')" onMouseOut="HideTip('tt16')">hasLayout</a>.</p></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxLayoutManager.beforeUndo"></a>beforeUndo</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParame