1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44
|
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Vector;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class Combo extends JFrame {
private JPanel panel = new JPanel();
private JComboBox combo;
private JButton button = new JButton("Sel");
private Vector vect = new Vector();
public Combo() {
vect.add("el1");
vect.add("el2");
vect.add("el3");
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {
System.err.println("Sel " + (String) combo.getSelectedItem());
combo.setSelectedIndex(0);
System.err.println("Sel " + (String) combo.getSelectedItem());
}
});
combo = new JComboBox(vect);
panel.add(combo);
panel.add(button);
this.getContentPane().add(panel);
this.setSize(200, 300);
this.setVisible(true);
}
} |
Partager