level « Container « Java Swing Q&A

1. java how to get top level container of a compoent?    stackoverflow.com

is there a way to get the top level container of a component? For example I have a JToolbar and I want to know at one monent the top level container ...

2. What's the difference between the root pane and the top-level container, in Swing?    stackoverflow.com

I understand that every top level container has some layers:

root pane
layer pane
content pane
glass pane

3. Determine how much Top-Level Containers are opened    stackoverflow.com

which Method can returs, how can I find number of opened Top-Level Containers

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class SuperConstructor extends JFrame {

    private static final long serialVersionUID = ...

4. swing dispatch event to multiple level of containers    stackoverflow.com

Here is come code to demo my problem: Parent class:

    import java.awt.Color;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class PPanel extends JPanel{
    private APanel panel1;
  ...