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AnnouncementService Class

A self-hosted implementation of the announcement service.

System::Object
  System.ServiceModel.Discovery::AnnouncementService

Namespace:  System.ServiceModel.Discovery
Assembly:  System.ServiceModel.Discovery (in System.ServiceModel.Discovery.dll)

[ServiceBehaviorAttribute(InstanceContextMode = InstanceContextMode::Single, ConcurrencyMode = ConcurrencyMode::Multiple)]
public ref class AnnouncementService

The AnnouncementService type exposes the following members.

  NameDescription
Public methodAnnouncementService()Initializes a new instance of the AnnouncementService class.
Public methodAnnouncementService(Int32)Initializes a new instance of the AnnouncementService class with the specified length of the duplicate message history.
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  NameDescription
Public methodEquals(Object)Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetHashCodeServes as a hash function for a particular type. (Inherited from Object.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Protected methodOnBeginOfflineAnnouncementStarts the processing of incoming offline announcement (Bye) messages.
Protected methodOnBeginOnlineAnnouncementStarts the processing of incoming online announcement (Hello) messages.
Protected methodOnEndOfflineAnnouncementUsers that inherit from AnnouncementService to implement a custom announcement listener service must override this method and begin to process incoming offline announcement (Bye) messages here.
Protected methodOnEndOnlineAnnouncementUsers that inherit from AnnouncementService to implement a custom announcement listener service must override this method and begin to process incoming offline announcement (Bye) messages here.
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)
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  NameDescription
Public eventOfflineAnnouncementReceivedOccurs when an offline announcement (Bye) message is received,
Public eventOnlineAnnouncementReceivedOccurs when an online announcement (Hello) is received.
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This class listens for incoming messages on a standard announcement endpoint (AnnouncementEndpoint) and provides event notification when Hello or Bye announcement messages arrive. You can provide a custom announcement service implementation by deriving from this class.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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