本文详述了使用VB和C51实现PC机和单片机串行通信的开发方法，并简要地介绍了VB通讯控件及其使用方法，给出了调试程序。
The paper states the method which is used to develop serial communication for MCU and PC with programming tools VB and C51.
图5显示的是目前使用控件状态的控件列表及其存储的属性，供您参考。
Figure 5 shows a list of the controls that currently make use of control state and what properties they store there for your reference.
使用此向导页定义正在创建的控件类型及其包含的接口支持级别。
Use this page of the wizard to define the type of control you are creating and the level of interface support it contains.
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