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ParallelEnumerable.Sum Method (ParallelQuery(Int32))

Computes in parallel the sum of a sequence of values.

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

static member Sum : 
        source:ParallelQuery<int> -> int

Parameters

source
Type: System.Linq.ParallelQuery(Int32)

A sequence of values to calculate the sum of.

Return Value

Type: System.Int32
The sum of the projected values in the sequence.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type ParallelQuery(Int32). 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
OperationCanceledException

The query was canceled with the token passed in through WithCancellation.

ArgumentNullException

source is a null reference (Nothing in Visual Basic).

AggregateException

The sum is larger than MaxValue. -or- One or more exceptions occurred during the evaluation of the query.

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1
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