Using C # to call a traditional 32-bit API for serial port operations, the entire structure is particularly simple. To receive data, you only need to define the data receiving event.
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Using System;
Using System. Runtime. InteropServices;
/// <Summary>
/// (C) 2003-2005 C2217 Studio reserves all rights
///
/// File name: IbmsSerialPort. cs
/// File ID:
/// File description:
/// Encapsulate the function of the dynamic link library IbmsSerialPort. dll, which is provided in the. NET environment
/// Functions of receiving and sending data asynchronously through the serial port.
///// Current version: 1.0
///
/// Author: Deng Yangjun
/// Creation date: 2005-2-2
/// Last modification date: 2005-2-2
///
/// Historical modification records:
///
/// </Summary>
Namespace Ibms. Tool. IO
{
/// <Summary>
/// An event is generated when the serial port receives data.
/// SPRecvDataArgs is the parameter of the event. The RecvData parameter contains the received data.
/// Usage:
/// </Summary>
Public class SPRecvDataArgs: EventArgs
{
/// <Summary>
/// A byte array consisting of received data
/// </Summary>
Private byte [] recvData;
/// <Summary>
/// Constructor. A byte [] containing data is required as the initialization parameter to instantiate SPRecvDataArgs.
/// </Summary>
/// <Param name = "recvData"> received data </param>
Public SPRecvDataArgs (byte [] recvData)
{
If (recvData = null)
{
Throw (new ArgumentNullException ());
}
This. recvData = recvData;
}
/// <Summary>
/// Return the received data content
