mymenuitem.java

来自「精通JBuilder2006 源代码 精通JBuilder2006 源代码」· Java 代码 · 共 15 行

package collaboration;

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

public final class MyMenuItem extends JMenuItem {
    public MyMenuItem() {
        this.setText("this is a menuitem created by lemon");
    }
    public static void myMenuItem_actionPerformed(ActionEvent e){
        JOptionPane.showMessageDialog(null,"this is a dialog actived by menuitem ","Message",JOptionPane.CANCEL_OPTION);
    }
}