MS Java/ActiveX Example: JavaControl.java

    import java.awt.*;
    import java.awt.event.*;
    
    public class JavaControl {
    
        public Frame makeFrame() { return new Frame("Yo!"); }
    
        // Return a handler for window closing events.
        public Handler makeHandler() { return new Handler(); }
    }
    
    // A handler to process a request to close a window.
    class Handler extends WindowAdapter {
        public void windowClosing(WindowEvent e) {
            Window w = e.getWindow();
            w.dispose();
        }
    }