public void WriteMessage(Inputfile message)
{
// Now, suppose you would like to check if the queue exists and if it does,
// send a message to it. If the queue doesn't exist, you may want to create
// a new one and then send it a message. This is exactly what the following
// code listing does for you.
try
{
if (MessageQueue.Exists(path))
{
messageQueue = new MessageQueue(path);
messageQueue.Label = description;
}
else
{
MessageQueue.Create(path);
messageQueue = new MessageQueue(path);
messageQueue.Label = description;
}
messageQueue.Send(message);
}
catch
{
throw;
}
finally
{
messageQueue.Dispose();
}
}
/// <summary>
/// The following code listing illustrates how you can process the messages stored in a message queue using C#.
/// </summary>
/// <returns>A list of messages</returns>
public Inputfile ReadMessage()
{
Inputfile inputfile = new Inputfile();
MessageQueue messageQueue = new MessageQueue(path);
messageQueue.Formatter = new XmlMessageFormatter(new Type[] { typeof(Inputfile) });
try
{
Message message = messageQueue.Receive(new TimeSpan(0, 0, 1));
inputfile = (Inputfile)message.Body;
}
catch (MessageQueueException e)
{
// Handle Message Queuing exceptions.
if (e.Message == "Timeout for the requested operation has expired.")
{
throw new Exception("Queue is empty");
}
else
{
throw(e);
}
}
catch (InvalidOperationException e)
{
// Handle invalid serialization format.
throw (e);
}
return(inputfile);
}
public void WriteMessages(string[] messages)
{
foreach (string message in messages)
{
Inputfile inputfile = new Inputfile();
inputfile.File = message;
try
{
WriteMessage(inputfile);
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
}
