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ParallelEnumerable::AsParallel Method (IEnumerable)

Enables parallelization of a query.

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

[ExtensionAttribute]
public:
static ParallelQuery^ AsParallel(
	IEnumerable^ source
)

Parameters

source
Type: System.Collections::IEnumerable
An IEnumerable to convert to a ParallelQuery.

Return Value

Type: System.Linq::ParallelQuery
The source as a ParallelQuery 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. 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).

The [M:System.Linq.ParallelEnumerable.Cast`1] operator can be used to convert a ParallelQuery to a ParallelQuery(T).

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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