hey its all about the 4+1 software architecture

特定的计算器，与PC上普通的计算器不一样，此计算器只需输入表达式（如：（12*15+12）/15 ）即可得到所求的值。-A specific calculator, and PC, not the same as an ordinary calculator, this calculator simply enter the expression (such as: (12* 15+12)/15) can be obtained by seeking value.

一个可以指定初始目录的目录选择对话框,利用回调函数解决了此问题,现在我把示例程序做出来,有相关Puzzle的同仁可以参考一下.-can specify a directory initial choice of the directory dialog, use a callback function to solve this problem, now I have examples of procedures done, the relevant Puzzle colleagues for reference.

实现了简单的对窗口的划分-Realize a simple division of the window

绘制漂亮窗体外观，一个漂亮的VC界面，供大家来参考。你可以-Drawing form beautiful appearance, a good VC interface, for everyone to reference. You can

自己编写的一个小的财务管理软件，可以实现一些简单的家庭的理财工作-prepare themselves a small financial management software, can achieve some simple household financial management work

对话框背景修改示例程序-dialog background sample program changes

双色球随机选号并分析，数据库简单操作，对话框界面可以展开和收缩-Random Pick Shuangse Qiu and analysis, databases, simple operation, the dialog box interface, you can expand and contract

这是一个彩票号码生成器的小程序，用ｖｃ编的，可以随机产生不同的彩票号码，有一定实用价值，界面比较简单。-This is a lottery number generator of small programs with vc series, can produce different random lottery numbers, a certain practical value, a relatively simple interface.

AppWizard has created this SplashScreen application for you.It is programmed by visual C++.-AppWizard this has created a SplashScreen pplication for you.It is programmed by visual C .

在MFC中显示WORD文档和PDF文档，并能对相应文档进阅读-shown in MFC WORD files and PDF files, and is able to read the corresponding document feeder