定时关机代码，实现的功能没有多少，就是一个很简单的关机代码-Close window on time

代码实现定时关机，也可在关机前取消关机操作或者重新设定。界面简洁-The code to achieve timing shutdown, cancel the shutdown operation before shutting down or re-set. Interface is simple

一个简单的定时关机程序，。代码编译后能直接运行，没问题。有exe文件；代码适合初学者。-A simple shutdown procedures. Compiled code can be run directly, no problem. Exe file code suitable for beginners.