ParallelEnumerable.Contains(Of TSource) Method (ParallelQuery(Of TSource), TSource)
.NET Framework (current version)
Determines in parallel whether a sequence contains a specified element by using the default equality comparer.
Assembly: System.Core (in System.Core.dll)
<ExtensionAttribute> Public Shared Function Contains(Of TSource) ( source As ParallelQuery(Of TSource), value As TSource ) As Boolean
Parameters
- source
-
Type:
System.Linq.ParallelQuery(Of TSource)
A sequence in which to locate a value.
- value
-
Type:
TSource
The value to locate in the sequence.
Return Value
Type: System.Booleantrue if the source sequence contains an element that has the specified value; otherwise, false.
Type Parameters
- TSource
The type of elements of source.
| Exception | Condition |
|---|---|
| OperationCanceledException | The query was canceled with the token passed in through WithCancellation. |
| ArgumentNullException | source is a null reference (Nothing in Visual Basic). |
| AggregateException | One or more exceptions occurred during the evaluation of the query. |
Universal Windows Platform
Available since 8
.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Windows Phone
Available since 8.1
Available since 8
.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Windows Phone
Available since 8.1
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