Hi,

please copy and run the following code, GUI 'll show u a combo , button and a painted rectengle. when u select combo it runs fine but when u click button and then select cobmo it repaints the rectengle with background.
Could any one of u help me to stoping it.

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

public class SACR008 extends JApplet
{
private final String[] marrstrMonth = {
        "January", "February", "March", "April", "May", "June", "July", "August", "September", "October",
        "November", "December"
    };
private JComboBox cmbMonth = new JComboBox(marrstrMonth);
private JButton btn = new JButton("Click ME");

public void init()
{
// This line prevents the "Swing:
//checked access to system event queue" message seen in some browsers.
getRootPane().putClientProperty( "defeatSystemEventQueueCheck",
Boolean.TRUE
);

Container objContainer = getContentPane();
objContainer.setLayout(null);
objContainer.setBackground(new java.awt.Color(134,173,202));
objContainer.setFont(new Font("Serif", Font.PLAIN, 12));

objContainer.add(cmbMonth);
cmbMonth.setFont(new Font("Serif", Font.PLAIN, 12));
cmbMonth.setBounds(50,50,80,22);
//cmbMonth.addMouseListener(new MouseHandler());

objContainer.add(btn);
btn.setBounds(140,50,80,22);


try {
UIManager.setLookAndFeel
("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
        } catch ( Exception exp ) {
            // catch goes here
        }
SwingUtilities.updateComponentTreeUI(this);
}

public void paint(Graphics aobjGraphics)
{
Graphics2D g2d = (Graphics2D)aobjGraphics;
super.paint(g2d);
if(cmbMonth.isPopupVisible())
{
g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.DST_OVER));
}
else
{
g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER));
}
g2d.setColor(Color.blue);
g2d.fill(new Rectangle(50,75,300,300));
}
}


**********************************************************


"Aim"

This is nothing to do with EJB -- try one of the comp.lang.java Usenet groups.

Tom