Window Event in java programming (V74)

WindowEvent is a part of the java.awt.event package. It is triggered when a window changes its state, such as opening, closing, minimizing, or restoring.

Example:

Source Code:

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import javax.swing.JOptionPane;
    import javax.swing.JFrame;

    private void formWindowOpened(java.awt.event.WindowEvent evt) {                                  
        labelStatus.setText("Window Opened");
    }                                 

    private void formWindowClosing(java.awt.event.WindowEvent evt) {                                   
        labelStatus.setText("Window Closing...");
        int option = JOptionPane.showConfirmDialog(this, "Are you sure to exit?",
                "Confirm Exit", JOptionPane.YES_NO_OPTION);
        if(option == JOptionPane.YES_OPTION){
            this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        } else {
            this.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
        } 
    }                                  

    private void formWindowClosed(java.awt.event.WindowEvent evt) {                                  
    
    }                                 

    private void formWindowActivated(java.awt.event.WindowEvent evt) {                                     
        labelStatus.setText("Window Activated");
    }                                    

    private void formWindowDeactivated(java.awt.event.WindowEvent evt) {                                       
        labelStatus.setText("Window Deactivated");
    }                                      

    private void formWindowIconified(java.awt.event.WindowEvent evt) {                                     
        labelStatus.setText("Window Minimized");
    }                                    

    private void formWindowDeiconified(java.awt.event.WindowEvent evt) {                                       
        labelStatus.setText("Window Restored");
    }                                                                                       

Result:

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