这是MSDN上的经典串口通讯例程.网上很多的串口控件,源码都不及此例程. 毕竟是MS自带的,虽然是个单线程的,稳定性及速度都很好.原工程比较早,用VC6可直接点击TestTTY.dsw打开.-This is the classic MSDN serial communication routines. A lot of serial-line control, source not of this routine. After all, it is MS' s own, although