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MSDN Library

ParallelEnumerable.ElementAt(TSource) Method

Returns the element at a specified index in a parallel sequence.

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

static member ElementAt : 
        source:ParallelQuery<'TSource> * 
        index:int -> 'TSource 

Type Parameters

TSource

The type of the elements of source.

Parameters

source
Type: System.Linq.ParallelQuery(TSource)

A sequence to return an element from.

index
Type: System.Int32

The zero-based index of the element to retrieve.

Return Value

Type: TSource
The element at the specified position in the source sequence.

Usage Note

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

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

ArgumentNullException

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

ArgumentOutOfRangeException

index is less than 0 or greater than or equal to the number of elements in source.

AggregateException

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

.NET for Windows Phone apps

Supported in: Windows Phone 8.1

Portable Class Library

Supported in: Portable Class Library
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