C#如何查看MSMQ里的消息,并能进行删除操作,有人知道吗?
在队列里存放有N条消息,需要能在页面里把这些消息显示出来,并能对这些消息进行删除操作

[解决办法]
帮顶
[解决办法]
/******************************************************************
* Copyright(c) Suzsoft DotNet Group
* Description : MessageQueue helper class
* CreateDate : 2006-05-11 02:28:58
* Creater : QCao
* LastChangeDate:
* LastChanger :
* Version Info :
* ******************************************************************/
using System;
using System.Collections.Generic;
using System.Text;
using System.Messaging;

namespace Suzsoft.Alarming.Service
{
/// <summary>
/// Message Queue helper class
/// </summary>
/// <typeparam name= "T "> </typeparam>
public class MessageQueueHelper <T> : MarshalByRefObject where T : class, new()
{
public MessageQueueHelper(string path)
{
m_AllowException = true;
if (MessageQueue.Exists(path))
m_Msq = new MessageQueue(path);
else
{
m_Msq = MessageQueue.Create(path);
m_Msq.MaximumQueueSize = CommonSettings.QueueMaxSize;
}
m_Msq.SetPermissions( "Everyone ", System.Messaging.MessageQueueAccessRights.FullControl);

m_Msq.Formatter = new XmlMessageFormatter(new Type[] { typeof(T) });
m_Msq.Label = typeof(T).Name;
m_Msq.ReceiveCompleted += new ReceiveCompletedEventHandler(Msq_ReceiveCompleted);
}
~MessageQueueHelper()
{
Close();
}
private MessageQueue m_Msq;
private bool m_AllowException;

public bool AllowException
{
get { return m_AllowException; }
set { m_AllowException = value; }
}
private bool MssageQueueReady()
{
if (m_Msq == null)
if (AllowException)
throw new Exception( "The message queue is not ready. ");
else
return false;
else
return true;
}
public void Send(object msg)
{
if (!msg.GetType().Equals(typeof(T))) return;
if (!MssageQueueReady()) return;
try
{
m_Msq.Send(msg);
}
catch
{
// TODO: Send Message queue failed
}
}
public void Send(object msg, string label)
{
if (!MssageQueueReady()) return;
try
{
m_Msq.Send(msg, label);
}
catch
{
// TODO: Send Message queue failed
}
}
public T Receive()
{
if (!MssageQueueReady()) return default(T);
Message m = m_Msq.Receive(MessageQueueTransactionType.Single);
return m.Body as T;
}
public IList <T> ReceiveAll()
{
if (!MssageQueueReady()) return null;
Message[] ms = m_Msq.GetAllMessages();
IList <T> list = new List <T> ();
foreach (Message m in ms)
{

list.Add(m.Body as T);
}
return list;
}
public T Peek()
{
if (!MssageQueueReady()) return default(T);
//m_Msq.Formatter = new XmlMessageFormatter(new Type[] { typeof(T) });
Message m = m_Msq.Peek();
return m.Body as T;
}
public void AsynchronismReceive()
{
if (!MssageQueueReady()) return;
m_Msq.BeginReceive();
}
public void EndReceive()
{
if (!MssageQueueReady()) return;
}
private void Msq_ReceiveCompleted(object sender, ReceiveCompletedEventArgs e)
{
MessageQueue mq = (MessageQueue)sender;
Message m = mq.EndReceive(e.AsyncResult);
if (ReceiveEvent != null)
ReceiveEvent(this, new ReceiveEventArgs <T> (m.Body as T));
mq.BeginReceive();
}
public event ReceiveEventHandler ReceiveEvent;
public delegate void ReceiveEventHandler(object sender, ReceiveEventArgs <T> e);
public void Close()
{
if (m_Msq != null)
m_Msq.Close();
}
}

public class ReceiveEventArgs <T> : EventArgs where T : class
{
public ReceiveEventArgs(T result)
{
m_Result = result;
}
private T m_Result;

public T Result
{
get { return m_Result; }
//set { m_Result = value; }
}
}
}

[解决办法]
T是你要执行操作的 类型
比如你 int string object 或你自己定义的类....


[解决办法]
楼主 看看泛型吧
[解决办法]
如果你用的是VS2003就不用着急看泛型了，Messing.MessageQueue，你仔细看看这个就可以了。
[解决办法]
.net 里面封装了
MSDN Webcast里面有讲解的