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SQL Anywhere 11.0.0 » QAnywhere » QAnywhere API Reference » QAnywhere .NET API reference » iAnywhere.QAnywhere.Client namespace (.NET 2.0) » QAManagerBase interface

 

SetMessageListener method

Sets a MessageListener delegate delegate to receive QAnywhere messages asynchronously.

Syntax
Visual Basic
Public Sub SetMessageListener( _
   ByVal address As String, _
   ByVal listener As MessageListener _
)
C#
public void SetMessageListener(
   string  address,
   MessageListener listener
);
Parameters
  • address   The address of messages.

  • listener   The listener to register.

Remarks

Use this method to receive message asynchronously.

MessageListener delegate accepts a single QAMessage parameter.

The SetMessageListener address parameter specifies a local queue name used to receive the message. You can only have one listener delegate assigned to a given queue. You may set an ExceptionListener and a MessageListener for a given address, but you must be consistent with the Listener/Listener2 delegates. That is, you cannot set an ExceptionListener and a MessageListener2, nor an ExceptionListener2 and a MessageListener, for the same address.

If you want to listen for QAnywhere system messages, including push notifications and network status changes, specify system as the queue name.

For more information, see Receiving messages asynchronously.

See also