ParallelEnumerable.AsParallel<TSource> Method (IEnumerable<TSource>)
.NET Framework 4.5
Enables parallelization of a query.
Namespace: System.Linq
Assembly: 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).| Exception | Condition |
|---|---|
| ArgumentNullException | source is a null reference (Nothing in Visual Basic). |
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.
