说明：  本文档是MFC开发的详细开发书籍，非常适合学习和参考，具有详细的相应控件的介绍和使用，然后使用MFC可以完成相应的软件开发和管理系统设计。
(This document is a detailed development book for MFC development. It is very suitable for learning and reference, with detailed introduction and use of corresponding controls, and then MFC can be used to complete the corresponding software development and management system design.)