说明：  MSCommControl控件通过串行端口传输和接收数据为应用提供串行通讯功能MSCommControl控件在串 口编程时非常方便员不必去花时间去了解较为复杂API而且在VC、VB、Delphi等语言中均可使用
(MSCommControl control through a serial port transmit and receive serial data applications in the serial communication function MSCommControl control is very convenient program staff do not have to take the time to understand the more complex API and in VC, VB, Delphi and other languages ​ ​ can be used)