keyDown(event);
void handleEvents (Event event){	switch (event.type) {		case SWT.Dispose:			doDispose();			break;		case SWT.Paint:			paint(event);			break;		case SWT.Resize:			resize();			break;		case SWT.MouseDown:			mouseDown(event);			break;		case SWT.MouseUp:			mouseUp(event);			break;		case SWT.Traverse:			traversal(event); 			break;		case SWT.FocusIn:		case SWT.FocusOut:			focus(event);			break;		case SWT.KeyDown:			keyDown(event);			break;		default:			break;	}}