ParentWindowController.java

package org.com.demo;

import java.util.HashMap;

import org.zkoss.zk.ui.Executions;
import org.zkoss.zk.ui.select.SelectorComposer;
import org.zkoss.zk.ui.select.annotation.Listen;
import org.zkoss.zk.ui.select.annotation.Wire;
import org.zkoss.zul.Textbox;
import org.zkoss.zul.Window;

@SuppressWarnings("serial")
public class ParentWindowController extends SelectorComposer<Window> {

  @Wire
	Textbox firstName;
	@Wire
	Textbox lastName;

	@Listen("onClick=#showWindow")
	public void submit() {
		final HashMap<String, Object> map = new HashMap<String, Object>();
		map.put("firstName", firstName.getValue());
		map.put("lastName", lastName.getValue());
		Executions.createComponents("ChildWindow.zul", null, map);
	}

}