Determining When a Frame or Window Is Opened or Closed : JFrame States « Swing « Java Tutorial






import java.awt.Frame;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;

public class Main {
  public static void main() {
    Frame frame = new Frame();

    WindowListener listener = new WindowAdapter() {
      public void windowOpened(WindowEvent evt) {
        Frame frame = (Frame) evt.getSource();
        System.out.println(frame.getTitle());
      }

      public void windowClosing(WindowEvent evt) {
        Frame frame = (Frame) evt.getSource();

        System.out.println(frame.getTitle());

      }

      public void windowClosed(WindowEvent evt) {
        Frame frame = (Frame) evt.getSource();
        System.out.println(frame.getTitle());
      }
    };

    frame.addWindowListener(listener);
    frame.setVisible(true);
  }
}








14.81.JFrame States
14.81.1.Setting the Bounds for a Maximized Frame
14.81.2.Iconifies a frame; the maximized bits are not affected.
14.81.3.Deiconifies a frame; the maximized bits are not affected.
14.81.4.Maximizes a frame; the iconified bit is not affected
14.81.5.Determining When a Frame or Window Is Opened or Closed
14.81.6.Determining When a Frame or Window Is Iconized or Maximized
14.81.7.Determining When a Component Has Been Made Visible, Moved, or Resized