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JoinBlock<T1, T2>.ISourceBlock<Tuple<T1, T2>>.ReleaseReservation Method

.NET Framework 4.5

Called by a linked ITargetBlock<TInput> to release a previously reserved DataflowMessageHeader by this ISourceBlock<TOutput>.

Namespace:  System.Threading.Tasks.Dataflow
Assembly:  System.Threading.Tasks.Dataflow (in System.Threading.Tasks.Dataflow.dll)

void ISourceBlock<Tuple<T1, T2>>.ReleaseReservation(
	DataflowMessageHeader messageHeader,
	ITargetBlock<Tuple<T1, T2>> target
)

Parameters

messageHeader
Type: System.Threading.Tasks.Dataflow.DataflowMessageHeader

The DataflowMessageHeader of the reserved message being released.

target
Type: System.Threading.Tasks.Dataflow.ITargetBlock<Tuple<T1, T2>>

The ITargetBlock<TInput> releasing the message it previously reserved.

Implements

ISourceBlock<TOutput>.ReleaseReservation(DataflowMessageHeader, ITargetBlock<TOutput>)

ExceptionCondition
ArgumentException

The messageHeader is not valid.

ArgumentNullException

The target is null.

InvalidOperationException

The target did not have the message reserved.

Only ITargetBlock<TInput> instances linked to this ISourceBlock<TOutput> instance may use ReleaseReservation, and it must only be used to release DataflowMessageHeader instances previously and successfully reserved by the target.

.NET Framework

Supported in: 4.5

Portable Class Library

Supported in: Portable Class Library

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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