本实例，向读者展示利用ATL编写 ActiveX控件的编程方法，本程序，编译运行后直接生成DLL文件，因此，没有窗体让大家看，希望，通过这个小例子让大家掌握VC++使用ATL编写控件的方法。

-This example shows the reader write ActiveX controls using ATL programming, the program compiles and runs directly generate DLL files, so there is no form for everyone to see, hope that through this small example so that we master the preparation of VC++ using ATL control methods.