📄 messagebox.java
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package ListDisks;
import java.awt.*;
public class MessageBox
extends Frame {
HelpAbout aboutDialog;
public MessageBox(String message) {
aboutDialog = new HelpAbout(this, message);
Show();
}
public void Show() {
aboutDialog.setSize(1000, 300);
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize = aboutDialog.getSize();
if (frameSize.height > screenSize.height) {
frameSize.height = screenSize.height;
}
if (frameSize.width > screenSize.width) {
frameSize.width = screenSize.width;
}
aboutDialog.setLocation( (screenSize.width - frameSize.width) / 2,
(screenSize.height - frameSize.height) / 2);
aboutDialog.setVisible(true);
aboutDialog.show();
}
}
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