学习网络唤醒，新手测试使用，欢迎大家指点-Learning Network wake-up

重新继承TCombobox控件,添加属性DISPLIST 可以根据自定义模式现实内容.比如aa=bb 则显示-Re-inherit TCombobox controls, add custom attributes DISPLIST mode according to the real content, such as aa = bb bb displayed