layout on the given parent.</div></div><div class=CToolTip id="tt30"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxLayoutManager.prototype.destroy = function()</td></tr></table></blockquote>Removes all handlers from the graph and deletes the reference to it.</div></div><div class=CToolTip id="tt31"><div class=CEvent>Fires between begin- and endUpdate after all cells have been layouted in layoutCells. </div></div><div class=CToolT