Kapitel 9: "Grafische Benutzeroberflächen"

"FensterSchliesst.java"


import java.awt.*;
import java.awt.event.*;

public class FensterSchliesst extends MeinFenster 
                              implements WindowListener {
  public FensterSchliesst(String titel, int w, int h){
         super(titel, w, h);
         addWindowListener(this);  // wir registrieren hier den 
                                   // Ereignistyp für WindowEvents
         setVisible(true);
  }
  
  // **************************************************************
  // Hier werden die WindowListener-Methoden implementiert
  // Methode: Fenster wird geschlossen
  public void windowClosing( WindowEvent event ) {
    System.exit(0);
  }
  public void windowClosed( WindowEvent event )      {}
  public void windowDeiconified( WindowEvent event ) {}
  public void windowIconified( WindowEvent event )   {}
  public void windowActivated( WindowEvent event )   {}
  public void windowDeactivated( WindowEvent event ) {}
  public void windowOpened( WindowEvent event )      {}
  // **************************************************************

  public static void main( String[] args ) {
    FensterSchliesst f = new FensterSchliesst("Schliesse mich!", 
                                              200, 100);
  }
}