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DataflowBlock.Receive(TOutput) Method (ISourceBlock(TOutput))

.NET Framework 4.5

Synchronously receives a value from a specified source.

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

static member Receive : 
        source:ISourceBlock<'TOutput> -> 'TOutput 

Type Parameters

TOutput

The type of data contained in the source.

Parameters

source
Type: System.Threading.Tasks.Dataflow.ISourceBlock(TOutput)

The source from which to receive the value.

Return Value

Type: TOutput
The received value.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type ISourceBlock(TOutput). When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

ExceptionCondition
ArgumentNullException

source is a null reference (Nothing in Visual Basic).

InvalidOperationException

No item could be received from the source.

.NET Framework

Supported in: 4.5

Portable Class Library

Supported in: Portable Class Library
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