private static int keyCode(String keyStrokeStr) {
		String code = StringUtil.getLastWord(keyStrokeStr);
		Field field = ReflectUtil.getField("VK_" + code.toUpperCase(), KeyEvent.class);
		if (field== null) {
			throw new IllegalArgumentException("Unknown key code " + code);
		}
		return ReflectUtil.getFieldValue(field, null);
	}