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ParallelEnumerable.All<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

Determines in parallel whether all elements of a sequence satisfy a condition.

public:
generic <typename TSource>
[System::Runtime::CompilerServices::Extension]
 static bool All(System::Linq::ParallelQuery<TSource> ^ source, Func<TSource, bool> ^ predicate);
public static bool All<TSource> (this System.Linq.ParallelQuery<TSource> source, Func<TSource,bool> predicate);
static member All : System.Linq.ParallelQuery<'Source> * Func<'Source, bool> -> bool
<Extension()>
Public Function All(Of TSource) (source As ParallelQuery(Of TSource), predicate As Func(Of TSource, Boolean)) As Boolean

Type Parameters

TSource

The type of elements of source.

Parameters

source
ParallelQuery<TSource>

A sequence whose elements to apply the predicate to.

predicate
Func<TSource,Boolean>

A function to test each element for a condition.

Returns

Boolean

true if every element of the source sequence passes the test in the specified predicate, or if the sequence is empty; otherwise, false.

Exceptions

OperationCanceledException

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

ArgumentNullException

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

AggregateException

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

Applies to

See also