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349:hage
08/02/16 12:57:37
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ƒLƒƒƒ“ƒoƒXã‚É JComboBox ‚𬂺‚½ƒvƒƒOƒ‰ƒ€‚ðì‚Á‚Ä‚é‚̂ł·‚ªA
ƒ}ƒEƒXƒhƒ‰ƒbƒO’†‚É JComboBox ‚ª‚¿‚ç‚‚¢‚Ä‚µ‚Ü‚¤‚Ì‚ªŒ™‚Ȃ̂ł·‚ªA
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import java.awt.*; import java.awt.event.*; import javax.swing.*;
public class Test extends JFrame{
private Image offs; private JComboBox cb; private Point mp;
public Test(){ init(); }
private void init(){
Container c = getContentPane();
c.setPreferredSize(new Dimension(300, 300));
c.setLayout(null); // ƒŒƒCƒAƒEƒg–³‚µ

// JComboBox ‚ÌÝ’è
String[] ss = {"hage", "hige", "huge", "hege", "hoge"};
cb = new JComboBox(ss); c.add(cb); cb.setBounds(30, 30, 100, 20);

pack(); repaint(); setResizable(false); setVisible(true);

// ƒhƒ‰ƒbƒO‚ÅÄ•`‰æ
this.addMouseMotionListener(new MouseMotionAdapter(){
public void mouseDragged(MouseEvent me){
offs = null; mp = me.getPoint(); repaint();
}
});
}


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