ParallelEnumerable.ElementAtOrDefault<TSource> Method

Definition

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

C#
public static TSource ElementAtOrDefault<TSource>(this System.Linq.ParallelQuery<TSource> source, int index);
C#
public static TSource? ElementAtOrDefault<TSource>(this System.Linq.ParallelQuery<TSource> source, int index);

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

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

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

Applies to

Product Versions
.NET Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9
.NET Framework 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard 2.0, 2.1
UWP 10.0

See also