简单的MFC实现凯撒密码，仅供新手学习，多多指教。-The simple MFC achieve Caesar password

这个一个好用的MFC画图控件，将控件安装并且添加到MFC工程中即可应用，压缩包提供了安装的注册名和密码-This a handy MFC drawing controls, control is installed and added to the MFC project can be applied, compression package provides the installation of a registered name and password