Check Menu active

[Mir]

Hi all

I have a problem in check menu item is active or not. In the Active button ,what i want when some one click on active button then show Message ,it is in use. Plz help[ me

Code:

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



public class Abc extends Dialog
{
	private Button button;
    	private Checkbox ACTIVE;
      
      
      
	public Abc(Frame parent)
	{
		super(parent,"lock", false);

		setLayout(new BorderLayout(15,50));
		setResizable(false);

		Panel lab = new Panel();
		lab.setLayout(new GridLayout(5,30));

		add("Center", lab);

              
		button = new Button("OK");
        ACTIVE = new Checkbox("Mark"); 
                
        boolean active;
        
        
		Panel p = new Panel();
		p.setLayout(new FlowLayout(FlowLayout.CENTER, 10, 10));
    
		
		p.add(ACTIVE);
		add("East",p);
		p.add(button);
		add("East",p);
        
              
        ACTIVE.setState(false);  
                

		pack();
		
		Point fatherLocation = parent.location();
		move(fatherLocation.x + 150,fatherLocation.y + 200);
		show();
	}

	public boolean action (Event evt, Object arg)
	{
		
			
		if (evt.target instanceof Button)
		{
                    if(evt.target == button) 
                    {
                    	hide();
                    	dispose();
                    	return true;
                    }
                    else if(evt.target== ACTIVE) 
                    {
                    	 // Here i want to check 
                    	
                    }
                  
                   
		}
		return false;
	}


	public boolean handleEvent (Event event) 
	{
		switch (event.id) {
		case Event.WINDOW_DESTROY:
			dispose();
			return true;
		default:
			return super.handleEvent(event);
		}
	}
}