说明：  很好的界面编程，这套代码实现了VC的整体框架，其界面功能风格都基本一致，你可在此基础上开发出自己需要的界面
(Good interface programming, this set of code to achieve the overall framework of the VC, and its interface features are basically the same style, you can on this basis that they need to develop interface)