Export (0) Print
Expand All

ParallelEnumerable.AsParallel<TSource> Method (IEnumerable<TSource>)

Enables parallelization of a query.

Namespace:  System.Linq
Assemblies:   System.Linq.Parallel (in System.Linq.Parallel.dll)
  System.Core (in System.Core.dll)

public static ParallelQuery<TSource> AsParallel<TSource>(
	this IEnumerable<TSource> source
)

Type Parameters

TSource

The type of elements of source.

Parameters

source
Type: System.Collections.Generic.IEnumerable<TSource>

An IEnumerable<T> to convert to a ParallelQuery<TSource>.

Return Value

Type: System.Linq.ParallelQuery<TSource>
The source as a ParallelQuery<TSource> to bind to ParallelEnumerable extension methods.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerable<TSource>. 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).

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

.NET for Windows Phone apps

Supported in: Windows Phone 8.1

Portable Class Library

Supported in: Portable Class Library
Was this page helpful?
(1500 characters remaining)
Thank you for your feedback
Show:
© 2015 Microsoft