基于WINIO而能够在保护模式下与底层硬件“直接”通讯，这是用C++编写的用于嵌入VFP的驱动控件，可以接收字符串和若干控制指令，转换为位图信息以后通过并口378H打印输出。-Based WINIO and in the protection mode and the underlying hardware, " direct" communication, which is written in C++, VFP driver for embedded control, ca