| |
14. 6. 1. 新增变化监听按钮模型 |
|
import java.awt.BorderLayout;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.ButtonModel;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class Main extends JFrame {
JButton b = new JButton("Test");
ButtonModel model = b.getModel();
public Main() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
model.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent e) {
System.out.println("Armed: " + model.isArmed() + " Enabled: "
+ model.isEnabled() + " Pressed: " + model.isPressed());
}
});
getContentPane().add(b, BorderLayout.CENTER);
pack();
setVisible(true);
}
public static void main(String arg[]) {
new Main();
}
}
|
|
|