系统讲解如何使用VC编程，包括窗口，工具条，对话框，控件，数据库、多线程与串行通信的编程。对初学者有一定的帮助。-System to explain how to use the VC program, including windows, toolbars, dialog boxes, controls, database, multi-threaded programming and serial communication. Be helpful for beginners.