这是本人个人编写的vc程序源代码，实现各个单位之间的换算，界面功能比较整洁醒目-This is my personal vc prepared source code to achieve the conversion between various units, clean and eye-catching interface functions

通过系统返回的错误代码，你可以查看错误代码和系统的版本信息。帮助自己改写错误-Use the Soft you can Look Error Code and look the system Version,so you can clean to know the error you made ,to help you change you mistake.