利用MFC正规DLL生成一个自定义控件，实现了一个交通灯控件，用VC++编程，-use MFC DLLs generated a formal OCX, achieving a traffic light control, with VC program

建立MFC正规DLL，它实现了一个交通灯控件，可以显示关闭、红灯、黄灯、绿灯四种状态 -The establishment of MFC regular DLL, which implements a traffic light control, can display closed and a red light, yellow light, green light to the four state

利用MFC正规DLL生成一个自定义控件,实现了一个交通灯控件,用VC++编程,(Using MFC regular DLL generated a custom control that implements a traffic light control, using vc + + programming,)