How do I create a Modal JDialog (non-bypassable when visible)?

Question

After customising a JDialog, I found that it is basically ignored after it has been created, by the main program. I've tried many ways to stop this from happening, searched the Java tutorial and googled it, but cannot find out how to do so. I have used the constructor for a modal Dialog:
JDialog(Dialog owner, String title, boolean modal)However, my methods are still treated like a non-modal Dialog, as they are ignored. Is there a certain method I have to call to make this Dialog modal (not able to be bypassed when made visible). If so then I would appreciate it if anybody could help, or perhaps point me along the right way.

Answer 1

JDialog(Dialog owner, String title, boolean modal)How do you expect us to solve your problem based on a single line of code? Create a simple demo program that shows the problem
Here is a simple demo that works.
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class DialogModal extends JFrame implements ActionListener
     public DialogModal()
          JButton button = new JButton("Show Dialog");
          button.addActionListener( this );
          getContentPane().add( button );
     public void actionPerformed(ActionEvent e)
          JDialog dialog = new JDialog(this, "Modal Test", true);
          dialog.setSize(300, 300);
          dialog.show();
     public static void main(String[] args)
          JFrame frame = new DialogModal();
          frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
          frame.pack();
          frame.setLocationRelativeTo( null );
          frame.setVisible(true);
}