详细说明：vc++作的图书馆管理信息系统 有登录用户管理、图书管理、读者管理 运行library.dsp即可，简便易用，条理清晰，便于学习-vc for the library management information systems users are logged management, library management, readers can library.dsp management operation, ease of use, lucid, easy to learn

FTDI’s “D2XX Direct Drivers” for Windows offer an alternative solution to our VCP drivers which allows application software to interface with FT232 USB UART and FT245 USB FIFO devices using a DLL instead of a Virtual Com Port. The architecture of the

自定义坐标系,用于字对话框上自定义一个坐标系，进行绘图等操作。-Custom coordinate system for the dialog box to customize a character coordinate system for drawing operations.