ParallelEnumerable::Select<TSource, TResult> Method (ParallelQuery<TSource>^, Func<TSource, TResult>^)

.NET Framework (current version)

Projects in parallel each element of a sequence into a new form.

Namespace: System.Linq
Assembly: System.Core (in System.Core.dll)

Syntax

public:
generic<typename TSource, typename TResult>
[ExtensionAttribute]
static ParallelQuery<TResult>^ Select(
	ParallelQuery<TSource>^ source,
	Func<TSource, TResult>^ selector
)

Parameters

source: Type: System.Linq::ParallelQuery<TSource>^
A sequence of values to invoke a transform function on.

selector: Type: System::Func<TSource, TResult>^
A transform function to apply to each element.

Return Value

Type: System.Linq::ParallelQuery<TResult>^

A sequence whose elements are the result of invoking the transform function on each element of source.

Type Parameters

TSource: The type of the elements of source.

TResult: The type of elements resturned by selector.

Exceptions

Exception	Condition
ArgumentNullException	source or selector is a null reference (Nothing in Visual Basic).
OperationCanceledException	The query was canceled with the token passed in through WithCancellation.
AggregateException	One or more exceptions occurred during the evaluation of the query.

Version Information

Universal Windows Platform
Available since 8
.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Windows Phone
Available since 8.1