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ParallelEnumerable::Aggregate<TSource> Method (ParallelQuery<TSource>^, Func<TSource, TSource, TSource>^)
.NET Framework (current version)
Applies in parallel an accumulator function over a sequence.
Assembly: System.Core (in System.Core.dll)
public: generic<typename TSource> [ExtensionAttribute] static TSource Aggregate( ParallelQuery<TSource>^ source, Func<TSource, TSource, TSource>^ func )
Parameters
- source
-
Type:
System.Linq::ParallelQuery<TSource>^
A sequence to aggregate over.
- func
-
Type:
System::Func<TSource, TSource, TSource>^
An accumulator function to be invoked on each element.
Return Value
Type: TSourceThe final accumulator value.
Type Parameters
- TSource
The type of the elements of source.
| Exception | Condition |
|---|---|
| OperationCanceledException | The query was canceled with the token passed in through WithCancellation. |
| ArgumentNullException | source or func is a null reference (Nothing in Visual Basic). |
| AggregateException | One or more exceptions occurred during the evaluation of the query. |
| InvalidOperationException | source contains no elements. |
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
Available since 8
.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Windows Phone
Available since 8.1
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