实际工作中总结C#串口操作

 C#串口操作
 
/* 
* File: SerialStream.cs 
* 
* Description: Implements a Stream for asynchronous 
* transfers and COMM. Stream version. 
* 
* Version: 2.4 
* 
*/ 

#region Using 

using System; 
using System.IO; 
using System.Threading; 
using System.Runtime.InteropServices; 
using System.ComponentModel; 

#endregion Using 

namespace LoMaN.IO { 

public class SerialStream : Stream { 

#region Attributes 

private IOCompletionCallback m_IOCompletionCallback; 
private IntPtr m_hFile = IntPtr.Zero; 

private string m_sPort; 
private bool m_bRead; 
private bool m_bWrite; 

#endregion Attributes 

#region Properties 

public string Port { 
get { 
return m_sPort; 
} 
set { 
if (m_sPort != value) { 
Close(); 
Open(value); 
} 
} 
} 

public override bool CanRead { 
get { 
return m_bRead; 
} 
} 

public override bool CanWrite { 
get { 
return m_bWrite; 
}