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

Returns distinct elements from a parallel sequence by using a specified IEqualityComparer(Of T) to compare values.

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

'Declaration
<ExtensionAttribute> _
Public Shared Function Distinct(Of TSource) ( _
	source As ParallelQuery(Of TSource), _
	comparer As IEqualityComparer(Of TSource) _
) As ParallelQuery(Of TSource)

Type Parameters

TSource

The type of the elements of source.

Parameters

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

The sequence to remove duplicate elements from.

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

An IEqualityComparer(Of T) to compare values.

Return Value

Type: System.Linq.ParallelQuery(Of TSource)
A sequence that contains distinct elements from 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(Of 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
ArgumentNullException

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

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

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1
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