一个用代码编写的界面，主要用于初始入门者学习编写非系统风格的界面功能实现。



非控件类界面。纯代码实现如果实现自己想要的风格-A coding interface is mainly used for initial entry to learn the preparation of non-system-style interface features.



Non-control class interface. Pure code to achieve the style you want