<?xml version="1.0" encoding="UTF-8"?><!--columnlayout2.zul{{IS_NOTE	Purpose:			Description:			History:		Fri Jun 20 12:38:05 TST 2008, Created by liwn}}IS_NOTECopyright (C) 2008 Potix Corporation. All Rights Reserved.{{IS_RIGHT}}IS_RIGHT--><window>	<columnlayout id="cl">		<columnchildren width="200px">			<progressmeter value="30" />		</columnchildren>	</columnlayout>	<zscript>	import org.zkoss.zkmax.zul.Columnchildren;	import org.zkoss.zul.Spinner;		Columnchildren[] cc = new Columnchildren[15];	int count = 0;		public void add() {		if (count > 14) return;				cc[count] = new Columnchildren();		cc[count].setWidth("50%");		cc[count].setParent(cl);		Spinner s = new Spinner();		s.setParent(cc[count]);		count++;	}	public void remove() {		if (count > 0)			cc[--count].detach();	}</zscript>	<button label="add" onClick="add()" />	<button label="remove" onClick="remove()" /></window>