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ParallelEnumerable.OfType<TResult> Method (ParallelQuery)

.NET Framework (current version)

Filters the elements of a ParallelQuery based on a specified type.

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

public static ParallelQuery<TResult> OfType<TResult>(
	this ParallelQuery source


Type: System.Linq.ParallelQuery

The sequence whose elements to filter.

Return Value

Type: System.Linq.ParallelQuery<TResult>

A sequence that contains elements from the input sequence of type .

Type Parameters


The type to filter the elements of the sequence on.

Exception Condition

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


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


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
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