class F1 extends JFrame{
JButton jb1;
.........
.........
jb1.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
new F2().show();
}
});
}class F2 extends JFrame{
............
public F2(final F1 f1){
addWindowListener(new WindowAdapter(){
public void windowOpened(WindowEvent e){
f1.jb1.setEnabled(false);
}
public void windowClosed(WindowEvent e){
f1.jb1.setEnabled(true);
}
});
}}
JButton jb1;
.........
.........
jb1.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
new F2().show();
}
});
}class F2 extends JFrame{
............
public F2(final F1 f1){
addWindowListener(new WindowAdapter(){
public void windowOpened(WindowEvent e){
f1.jb1.setEnabled(false);
}
public void windowClosed(WindowEvent e){
f1.jb1.setEnabled(true);
}
});
}}
我是这样做的:
void jBClaAdd_actionPerformed(ActionEvent e) {
jBClaAdd.setEnabled(false);
ClassAdd classAdd = new ClassAdd();
classAdd.setVisible(true);
}
这时classAdd就产生了,可是我不知道怎么在classAdd被关掉后是jBClaAdd的enable变为true?