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WriteOnceBlock<T> Constructor (Func<T, T>, DataflowBlockOptions)

.NET Framework 4.5

Initializes a new WriteOnceBlock<T> with the specified DataflowBlockOptions.

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

public WriteOnceBlock(
	Func<T, T> cloningFunction,
	DataflowBlockOptions dataflowBlockOptions


Type: System.Func<T, T>

The function to use to clone the data when offered to other blocks.

Type: System.Threading.Tasks.Dataflow.DataflowBlockOptions

The options with which to configure this WriteOnceBlock<T>.


The dataflowBlockOptions is null.

.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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