<zk>
	<window>
		<zscript><![CDATA[
		org.zkoss.zul.ListModelList lml1 = new org.zkoss.zul.ListModelList();
		for(int i=0;i<10;i++){
			lml1.add(""+i);
		}
		
		void simbind(){
			if(true) return;
			//to sim zkbind sequence, you can ignore this method, just check sim1 ..etc
			Object[] arr = lml1.getSelection().toArray();
			lml1.clearSelection();
			
			for(Object obj:arr){
				lml1.addToSelection(obj);
			}
		}
		void sim3(){
			lml1.addToSelection("3");
			lml1.clearSelection();
			lml1.addToSelection("1");
			lml1.addToSelection("2");
			lml1.addToSelection("3");
		}
		void single(){
			listbox.setMultiple(false);
		}
		void showSelection(){
			msg.setValue(""+listbox.getModel().getSelection());
		}
		
		]]></zscript>
		<listbox id="listbox" model="${lml1}" checkmark="true" multiple="true" onSelect="//simbind()">
		
		</listbox>
		<button label="sim3" onClick='sim3()'/>
		<button label="single" onClick='single()'/>
		<button label="show selection" onClick='showSelection()'/>
		<label id="msg" />
	</window>
</zk>