采用VC++.NET编程环境中的MFC应用程序框架，编写一个基于对话框的简单计算器程序。-Using VC++. NET programming environment in the MFC application framework, write a simple calculator program based on the dialog box.

vc6.0下实现简单的计算器（mfc）里面包含源代码，已经经过调试，可用-Simple calculator (mfc) under vc6.0 which contains source code, has been completed, you can! !