VB 5.0/6.0的MSComm通信控件提供了一系列标准通信命令的接 口，它允许建立串口连接，可以连接到其他通信设备（如Modem）、 还可以发送命令、进行数据交换以及监视和响应在通信过程中可能 发生的各种错误和事件，从而可以用它创建全双工的、事件驱动 的、高效实用的通信程序。-VB 5.0/6.0 the MSComm control communications for a series of standard communication interface orders, which allow for the establishment of serial link can be connected to other communications equipment (such as modem), and also can send orders, the exchange of information and surveillance and response in the communication process may mistakes that occurred in the incident, which can be used to create full-duplex, event-driven, highly effective and practical communication program.