Anonymous

	public static void main(String [] args) {
		Display display = new Display();
		Shell shell = new Shell(display);
		shell.setLayout(new FillLayout());
		Canvas canvas = new Canvas(shell, SWT.NONE);
		canvas.addListener(SWT.MouseWheel, new Listener() {
			public void handleEvent(Event event) {
				System.out.println("Wheel: " + event.count);
			}
		});		
		shell.open();
		while(!shell.isDisposed()) {
			if(!display.readAndDispatch()) display.sleep();
		}
		display.dispose();
	}