Microsoft公司在WINDOWS中提供了一个串口通讯控件，用它，我们可以很简单的利用串口进行通讯。在使用它之前，应将控件加在应用程序的对话框上。然后再用ClassWizard 生成相应的对象。现在我们可以使用它了。-Microsoft Corporation in the WINDOWS to provide a serial communication control, use it, we can use very simple serial communication. In the use of it before, controls should be added to the dialog box on the application. ClassWizard generated then the corresponding object. Now we can use it.