CallbackBehaviorAttribute Class
Configures a callback service implementation in a client application.
Assembly: System.ServiceModel (in System.ServiceModel.dll)
The CallbackBehaviorAttribute type exposes the following members.
| Name | Description | |
|---|---|---|
![]() | CallbackBehaviorAttribute | Initializes a new instance of the CallbackBehaviorAttribute class. |
| Name | Description | |
|---|---|---|
![]() | AutomaticSessionShutdown | Specifies whether to automatically close a session when a service closes a duplex session. |
![]() | ConcurrencyMode | Gets or sets whether a service supports one thread, multiple threads, or reentrant calls. |
![]() | IgnoreExtensionDataObject | Gets or sets a value that specifies whether to send unknown serialization data onto the wire. |
![]() | IncludeExceptionDetailInFaults | Gets or sets a value that specifies that general unhandled execution exceptions are to be converted into a FaultException<TDetail>of type String and sent as a fault message. Set this to true only during development to troubleshoot a service. |
![]() | MaxItemsInObjectGraph | Gets or sets the maximum number of items allowed in a serialized object. |
![]() | TransactionIsolationLevel | Specifies the transaction isolation level. |
![]() | TransactionTimeout | Gets or sets the period within which a transaction must complete. |
![]() | TypeId | When implemented in a derived class, gets a unique identifier for this Attribute. (Inherited from Attribute.) |
![]() | UseSynchronizationContext | Gets or sets a value that specifies whether to use the current synchronization context to choose the thread of execution. |
![]() | ValidateMustUnderstand | Gets or sets a value that specifies whether the system or the application enforces SOAP MustUnderstand header processing. |
| Name | Description | |
|---|---|---|
![]() | Equals | Infrastructure. Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute.) |
![]() | Finalize | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.) |
![]() | GetHashCode | Returns the hash code for this instance. (Inherited from Attribute.) |
![]() | GetType | Gets the Type of the current instance. (Inherited from Object.) |
![]() | IsDefaultAttribute | When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. (Inherited from Attribute.) |
![]() | Match | When overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.) |
![]() | MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
![]() | ToString | Returns a string that represents the current object. (Inherited from Object.) |
| Name | Description | |
|---|---|---|
![]() ![]() | _Attribute::GetIDsOfNames | Maps a set of names to a corresponding set of dispatch identifiers. (Inherited from Attribute.) |
![]() ![]() | _Attribute::GetTypeInfo | Retrieves the type information for an object, which can be used to get the type information for an interface. (Inherited from Attribute.) |
![]() ![]() | _Attribute::GetTypeInfoCount | Retrieves the number of type information interfaces that an object provides (either 0 or 1). (Inherited from Attribute.) |
![]() ![]() | _Attribute::Invoke | Provides access to properties and methods exposed by an object. (Inherited from Attribute.) |
![]() ![]() | IEndpointBehavior::AddBindingParameters | Configures the binding elements to support the callback behavior. |
![]() ![]() | IEndpointBehavior::ApplyClientBehavior | Configures the client runtime to support the callback object. |
![]() ![]() | IEndpointBehavior::ApplyDispatchBehavior | Implementation of the ApplyDispatchBehavior method. This implementation has no effect. |
![]() ![]() | IEndpointBehavior::Validate | Validates the endpoint description prior to building the runtime. |
Use the CallbackBehaviorAttribute attribute to configure or extend the execution behavior of a callback contract implementation in a client application. This attribute performs the same function for the callback class as the ServiceBehaviorAttribute attribute with the exception of instancing behavior and transaction settings.
The CallbackBehaviorAttribute must be applied to the class that implements the callback contract. If applied to a non-duplex contract implementation an InvalidOperationException exception is thrown at runtime.
Note |
|---|
You can also use the OperationBehaviorAttribute attribute for the callback operation implementations. However, if OperationBehaviorAttribute is used on a callback operation, the ReleaseInstanceMode property must be None or an InvalidOperationException exception is thrown at runtime. |
The following properties are available:
The AutomaticSessionShutdown property automatically closes the session when the channel is closed and the callback has finished processing any remaining messages.
The ConcurrencyMode property controls the internal threading model, enabling support for reentrant or multithreaded callback objects.
The IgnoreExtensionDataObject property enables the runtime to ignore extra serialization information that is not required to process the message.
The IncludeExceptionDetailInFaults property specifies whether unhandled exceptions in a service are returned to the service as SOAP faults for debugging purposes.
The MaxItemsInObjectGraph property limits on the number of items in an object graph that are serialized.
The TransactionIsolationLevel property specifies the transaction isolation level that the contract supports.
The TransactionTimeout property specifies the time period within which a transaction must complete or it aborts.
The UseSynchronizationContext property indicates whether to synchronize inbound method calls automatically using the current SynchronizationContext object.
The ValidateMustUnderstand property informs the system whether it should confirm that SOAP headers marked as MustUnderstand have, in fact, been understood.
The following code example shows a CallbackBehaviorAttribute on a callback object that uses the SynchronizationContext object to determine which thread to marshal to, the ValidateMustUnderstand property to enforce message validation, and the IncludeExceptionDetailInFaults property to return exceptions as FaultException objects to the service for debugging purposes.
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.
