TransformBlock<TInput,TOutput>.ISourceBlock<TOutput>.ReleaseReservation 方法

定义

由链接 ITargetBlock<TInput> 调用,以释放以前 DataflowMessageHeader 保留的此 ISourceBlock<TOutput>版本。

 virtual void System.Threading.Tasks.Dataflow.ISourceBlock<TOutput>.ReleaseReservation(System::Threading::Tasks::Dataflow::DataflowMessageHeader messageHeader, System::Threading::Tasks::Dataflow::ITargetBlock<TOutput> ^ target) = System::Threading::Tasks::Dataflow::ISourceBlock<TOutput>::ReleaseReservation;
void ISourceBlock<TOutput>.ReleaseReservation(System.Threading.Tasks.Dataflow.DataflowMessageHeader messageHeader, System.Threading.Tasks.Dataflow.ITargetBlock<TOutput> target);
abstract member System.Threading.Tasks.Dataflow.ISourceBlock<TOutput>.ReleaseReservation : System.Threading.Tasks.Dataflow.DataflowMessageHeader * System.Threading.Tasks.Dataflow.ITargetBlock<'Output> -> unit
override this.System.Threading.Tasks.Dataflow.ISourceBlock<TOutput>.ReleaseReservation : System.Threading.Tasks.Dataflow.DataflowMessageHeader * System.Threading.Tasks.Dataflow.ITargetBlock<'Output> -> unit
Sub ReleaseReservation (messageHeader As DataflowMessageHeader, target As ITargetBlock(Of TOutput)) Implements ISourceBlock(Of TOutput).ReleaseReservation

参数

messageHeader
DataflowMessageHeader

DataflowMessageHeader正在释放的保留消息。

target
ITargetBlock<TOutput>

ITargetBlock<TInput>释放以前保留的消息。

实现

例外

无效 messageHeader

targetnull

target 保留消息。

注解

只有 ITargetBlock<TInput> 链接到此 ISourceBlock<TOutput> 实例的实例可以使用 ReleaseReservation,并且它只能用于释放 DataflowMessageHeader 以前和成功由目标保留的实例。

适用于