MFC是一个微软公司提供的类库，以C++的形式封装了Windows的API，并且包含一个应用程序框架，以减少应用程序开发人员的工作量。基于MFC的定时器设计，首先进入到主界面，选择你想要的工作模式，当选择工作在“定时”时，设定定时时间，确定定时即可，时间到来时，定时器提醒。当想“退出”时，点击退出按钮。当选择“关闭计算机”，点击关机。-MFC is a Microsoft-provided class libraries in C++ in the form of packaging of the Windows API, and includes an application fr a mework, in order to reduce the workload of application developers. MFC-based timer design, first into the main interface, select the operating mode you want, choose to work in the "time", set a regular time, to determine the timing can be, the time arrives, the timer to remind. When you want to "opt out", click the Exit button. When you select "Turn Off Computer", click Shut Down.