Outgoing Service Example

This example retrieves an MSMQ message from the Outgoing Service queue. This example requires references to the System.Messaging and System.XML assemblies.

Notice how the example performs the following steps:

• Creates a MessageQueue object to access the Outgoing Service’s message queue.
• Creates the MSMQ Formatter, MessageQueueTransaction, and Message objects.
• Retrieves the message from the queue.
• Retrieves the string from the Message object
• Loads the string into an XML document object and uses it to display the XML in a textbox. To allow access to specific XML elements and values, the example parses the string into XML. Refer to the .NET Framework documentation for information about creating XML from a string.

  Private Sub GetMessage() 
  	'Create queue object to retrieve messages from the default
  outgoing queue
  	Dim MyQueue As New
  MessageQueue(".\private$\econnect_outgoing9")
  
  	'Create an MSMQ formatter and transaction objects
  	MyQueue.Formatter = New ActiveXMessageFormatter
  	Dim MyTransaction As New MessageQueueTransaction
  
  	'Create a message object
  	Dim MyMessage As Message
  
  	Try
  		'Retrieve a message from the queue
  		'This example assumes there is always a message waiting in
  the queue
  		MyTransaction.Begin()
  		MyMessage = MyQueue.Receive(MyTransaction)
  		MyTransaction.Commit()
  	
  		'Retrieve the string from the message
  		Dim MyDocument As [String] = CType(MyMessage.Body,
  [String])
  
  		'Load the string into an XML document object
  		Dim MyXml As New XmlDocument
  		MyXml.LoadXml(MyDocument)
  	
  		'Display the XML from the queue message
  		MessageText.Text = MyXml.InnerXml
  
  	Catch err As SystemException
  		ErrorText.Text = err.InnerException.ToString()
  	End Try
  End Sub
  
  

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