//---------------------------------------------------------------- // Copyright (c) Microsoft Corporation. All rights reserved. //---------------------------------------------------------------- namespace System.ServiceModel.Discovery { using System.Xml; interface IAnnouncementServiceImplementation { bool IsDuplicate(UniqueId messageId); IAsyncResult OnBeginOnlineAnnouncement( DiscoveryMessageSequence messageSequence, EndpointDiscoveryMetadata endpointDiscoveryMetadata, AsyncCallback callback, object state); void OnEndOnlineAnnouncement(IAsyncResult result); IAsyncResult OnBeginOfflineAnnouncement( DiscoveryMessageSequence messageSequence, EndpointDiscoveryMetadata endpointDiscoveryMetadata, AsyncCallback callback, object state); void OnEndOfflineAnnouncement(IAsyncResult result); } }