基于MFC平台的VC++编写的有关于四盏电灯开关的功能，可以一起控制开关，也可以独立开关，每次开关将有不同的颜色变换来提示，运行成功。-MFC-based platform for VC++ written a light switch on the four functions, and you can control switch can also be independent switches, each switch will have a different color change