有五个源码，分别是动态加载的四副状态图，多个剪贴板的实现，轻松实现非客户区按钮，实现对数据库的访问，我的时钟！-There are five source, namely the dynamic loading of the four state diagram, the realization of a number of the clipboard, easy to achieve non-client area button, to achieve access to the databa