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TransformManyBlock<TInput, TOutput> Constructor (Func<TInput, Task<IEnumerable<TOutput>^>^>^, ExecutionDataflowBlockOptions^)

 

Initializes a new TransformManyBlock<TInput, TOutput> with the specified function and ExecutionDataflowBlockOptions.

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

public:
TransformManyBlock(
	Func<TInput, Task<IEnumerable<TOutput>^>^>^ transform,
	ExecutionDataflowBlockOptions^ dataflowBlockOptions
)

Parameters

transform
Type: System::Func<TInput, Task<IEnumerable<TOutput>^>^>^

The function to invoke with each data element received. All of the data asynchronously returned in the IEnumerable<T> will be made available as output from this TransformManyBlock<TInput, TOutput>.

dataflowBlockOptions
Type: System.Threading.Tasks.Dataflow::ExecutionDataflowBlockOptions^

The options with which to configure this TransformManyBlock<TInput, TOutput>.

Exception Condition
ArgumentNullException

The transform is null.

-or-

The dataflowBlockOptions is null.

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