AnnouncementService.OnBeginOnlineAnnouncement Method
Definition
Important
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Starts the processing of incoming online announcement (Hello) messages.
protected:
virtual IAsyncResult ^ OnBeginOnlineAnnouncement(System::ServiceModel::Discovery::DiscoveryMessageSequence ^ messageSequence, System::ServiceModel::Discovery::EndpointDiscoveryMetadata ^ endpointDiscoveryMetadata, AsyncCallback ^ callback, System::Object ^ state);protected virtual IAsyncResult OnBeginOnlineAnnouncement (System.ServiceModel.Discovery.DiscoveryMessageSequence messageSequence, System.ServiceModel.Discovery.EndpointDiscoveryMetadata endpointDiscoveryMetadata, AsyncCallback callback, object state);abstract member OnBeginOnlineAnnouncement : System.ServiceModel.Discovery.DiscoveryMessageSequence * System.ServiceModel.Discovery.EndpointDiscoveryMetadata * AsyncCallback * obj -> IAsyncResult
override this.OnBeginOnlineAnnouncement : System.ServiceModel.Discovery.DiscoveryMessageSequence * System.ServiceModel.Discovery.EndpointDiscoveryMetadata * AsyncCallback * obj -> IAsyncResultProtected Overridable Function OnBeginOnlineAnnouncement (messageSequence As DiscoveryMessageSequence, endpointDiscoveryMetadata As EndpointDiscoveryMetadata, callback As AsyncCallback, state As Object) As IAsyncResultParameters
- messageSequence
- DiscoveryMessageSequence
The position of this message in the sequence for the current notification.
- endpointDiscoveryMetadata
- EndpointDiscoveryMetadata
An object that provides endpoint metadata, for example scopes, listen URI, contract names, and endpoint address.
- callback
- AsyncCallback
The method to call when the asynchronous operation is complete.
- state
- Object
Infrastructure-defined state data.
Returns
The status of the pending asynchronous request.
Remarks
Classes that inherit from AnnouncementService to implement a custom announcement listener service must override this method and begin to process incoming Hello messages.
