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HostCurrentTransactionCallback Delegate

Provides a mechanism for the hosting environment to supply its own default notion of Current.

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

type HostCurrentTransactionCallback = 
    delegate of unit -> Transaction

Return Value

Type: System.Transactions.Transaction
A Transaction object.

This delegate provides a mechanism for a hosting environment to supply its own default notion of Current. It is called when Current is a null reference (Nothing in Visual Basic), and there is no current TransactionScope that indicates that the ambient transaction may have been suppressed.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, 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.
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