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ParallelEnumerable.ElementAtOrDefault<TSource> Method

  • Reference

Definition

Namespace:
System.Linq
Assembly:
System.Linq.Parallel.dll
Assembly:
System.Core.dll
Assembly:
netstandard.dll
Source:
ParallelEnumerable.cs
Source:
ParallelEnumerable.cs
Source:
ParallelEnumerable.cs

Returns the element at a specified index in a parallel sequence or a default value if the index is out of range.

public:
generic <typename TSource>
[System::Runtime::CompilerServices::Extension]
 static TSource ElementAtOrDefault(System::Linq::ParallelQuery<TSource> ^ source, int index);
public static TSource ElementAtOrDefault<TSource> (this System.Linq.ParallelQuery<TSource> source, int index);
public static TSource? ElementAtOrDefault<TSource> (this System.Linq.ParallelQuery<TSource> source, int index);
static member ElementAtOrDefault : System.Linq.ParallelQuery<'Source> * int -> 'Source
<Extension()>
Public Function ElementAtOrDefault(Of TSource) (source As ParallelQuery(Of TSource), index As Integer) As TSource

Type Parameters

TSource

The type of the elements of source.

Parameters

source
ParallelQuery<TSource>

A sequence to return an element from.

index
Int32

The zero-based index of the element to retrieve.

Returns

TSource

default(TSource) if the index is outside the bounds of the source sequence; otherwise, the element at the specified position in the source sequence.

Exceptions

OperationCanceledException

The query was canceled with the token passed in through WithCancellation<TSource>(ParallelQuery<TSource>, CancellationToken).

ArgumentNullException

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

AggregateException

One or more exceptions occurred during the evaluation of the query.

Applies to

See also