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MessageQueueTransactionType Enumeration

Specifies the type of a Message Queuing transaction.

Namespace:  System.Messaging
Assembly:  System.Messaging (in System.Messaging.dll)

public enum class MessageQueueTransactionType

Member nameDescription
AutomaticA transaction type used for Microsoft Transaction Server (MTS) or COM+ 1.0 Services. If there is already an MTS transaction context, it will be used when sending or receiving the message.
NoneOperation will not be transactional.
SingleA transaction type used for single internal transactions.

When you read or write a message using an overload of the MessageQueue class's Send or Receive methods (including ReceiveById and ReceiveByCorrelationId) that takes a transactionType parameter, you can specify how you are interacting with the queue. Automatic enables you to send and receive from external transactions (such as when you are interacting with database applications), while Single is used for single internal Message Queuing transactions.

None enables you to receive a message from a transactional queue outside of a transaction or send a transactional message to a non-transactional queue. This is useful, for example, when routing several messages sent within a single transaction.

If you want to send or receive a message using an internal Message Queuing transaction but not a single internal transaction, create an instance of the MessageQueueTransaction class and pass it into an overload of the Send or Receive methods that takes a transaction parameter rather than one that takes a transactionType parameter.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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