WINCE5.0下一个虚拟串口的完整驱动程序源码。使用EVC编译。将一个物理串口映射成2个虚拟串口提供给不同的程序使用。,WINCE5.0 a complete virtual serial driver source code. Compiled using the EVC. Will be mapped into a physical serial port virtual serial port to provide two different procedures to use.