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ParallelEnumerable.Cast(Of TResult) Method

Converts the elements of a ParallelQuery to the specified type.

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

'Declaration
<ExtensionAttribute> _
Public Shared Function Cast(Of TResult) ( _
	source As ParallelQuery _
) As ParallelQuery(Of TResult)

Type Parameters

TResult

The type to convert the elements of source to.

Parameters

source
Type: System.Linq.ParallelQuery

The sequence that contains the elements to be converted.

Return Value

Type: System.Linq.ParallelQuery(Of TResult)
A sequence that contains each element of the source sequence converted to the specified type.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type ParallelQuery. 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).

InvalidCastException

The type of the source sequence could not be converted to TResult.

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Supported in: Windows Phone 8.1

Windows Phone 8.1, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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