文件名称:MSComm
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目前，Visual Basic （简称VB） 已成为WINDOWS 系统开发的主要语言，以其高效、简单易学及功能强大的特点越来越为广大程序设计人员及用户所青睐。VB 支持面向对象的程序设计，具有结构化的事件驱动编程模式并可以使用无限扩增的控件。在VB 应用程序
可以方便地调用WINDOWS API函数，使得编程效率提高，应用功能增强。
利用VB 提供的这些功能，我们可以有三种方法完成串口通信。一种是用VB 提供的具有强大功能的通信控件 另一种方法是调用WINDOWS API 函数，使用WINDOWS 提供的通信函数编写移植性强的应用程序 第三是利用文件的输入/ 输出完成，该方法简便易行，但有一定的局限性。
-At present, the Visual Basic (hereinafter referred to as VB) has become the main language WINDOWS system development, with its high efficiency, easy to operate and powerful features for the program design more and more personnel and user place favour. VB support object-oriented program design, have structured event-driven programming model and can use unlimited expansion of the control. In VB application
It can call WINDOWS API functions, makes programming improving efficiency, application functions strengthened.
Provide these functions with VB, can we have three methods to complete serial interface communication. With VB to provide with strong function of the communication control Another way is to call WINDOWS API functions, using the WINDOWS of written communication function provide portability strong applications The third is to use file input/output finish, this method is simple, convenient and feasible, but there are some limitations.
可以方便地调用WINDOWS API函数，使得编程效率提高，应用功能增强。
利用VB 提供的这些功能，我们可以有三种方法完成串口通信。一种是用VB 提供的具有强大功能的通信控件 另一种方法是调用WINDOWS API 函数，使用WINDOWS 提供的通信函数编写移植性强的应用程序 第三是利用文件的输入/ 输出完成，该方法简便易行，但有一定的局限性。
-At present, the Visual Basic (hereinafter referred to as VB) has become the main language WINDOWS system development, with its high efficiency, easy to operate and powerful features for the program design more and more personnel and user place favour. VB support object-oriented program design, have structured event-driven programming model and can use unlimited expansion of the control. In VB application
It can call WINDOWS API functions, makes programming improving efficiency, application functions strengthened.
Provide these functions with VB, can we have three methods to complete serial interface communication. With VB to provide with strong function of the communication control Another way is to call WINDOWS API functions, using the WINDOWS of written communication function provide portability strong applications The third is to use file input/output finish, this method is simple, convenient and feasible, but there are some limitations.
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VB串口通信.doc