Except(TSource) Method (ParallelQuery(TSource), ParallelQuery(TSource), IEqualityComparer(TSource))

ParallelEnumerable.Except(Of TSource) Method (ParallelQuery(Of TSource), ParallelQuery(Of TSource), IEqualityComparer(Of TSource))

.NET Framework (current version)
 

Produces the set difference of two parallel sequences by using the specified IEqualityComparer(Of T) to compare values.

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

<ExtensionAttribute>
Public Shared Function Except(Of TSource) (
	first As ParallelQuery(Of TSource),
	second As ParallelQuery(Of TSource),
	comparer As IEqualityComparer(Of TSource)
) As ParallelQuery(Of TSource)

Parameters

first
Type: System.Linq.ParallelQuery(Of TSource)

A sequence whose elements that are not also in second will be returned.

second
Type: System.Linq.ParallelQuery(Of TSource)

A sequence whose elements that also occur in the first sequence will cause those elements to be removed from the returned sequence.

comparer
Type: System.Collections.Generic.IEqualityComparer(Of TSource)

IEqualityComparer(Of T) to compare values.

Return Value

Type: System.Linq.ParallelQuery(Of TSource)

A sequence that contains the set difference of the elements of two sequences.

Type Parameters

TSource

The type of the elements of the input sequences.

Exception Condition
ArgumentNullException

first or second is a null reference (Nothing in Visual Basic).

OperationCanceledException

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

AggregateException

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

Universal Windows Platform
Available since 4.5
.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Windows Phone
Available since 8.1
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