VC++在窗体的状态栏中嵌入数字格式的时间，也就是电子时钟，虽然简单了点，但对于新手朋友，可以通过本程序学到VC++格式化显示时间的格式、如何保证每隔一秒时钟会更新、如何定义一个定时器、如何在退出窗口时杀掉Timer等等小的知识点。

-VC++ embedded in the status bar in the form of time number format, that is, electronic clock, although simple point, but for the novice friend, you can learn through this program VC++ formatted display time format, how to ensure that every second clock updates, how to define a timer, how to kill the Timer in the exit window, and so little knowledge points.