ParallelEnumerable.WithMergeOptions<TSource> Method

Sets the merge options for this query, which specify how the query will buffer output.

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

public static ParallelQuery<TSource> WithMergeOptions<TSource>(
	this ParallelQuery<TSource> source,
	ParallelMergeOptions mergeOptions
)

Type Parameters

TSource

The type of elements of source.

Parameters

source
Type: System.Linq.ParallelQuery<TSource>

A ParallelQuery on which to set the option.

mergeOptions
Type: System.Linq.ParallelMergeOptions

The merge options to set for this query.

Return Value

Type: System.Linq.ParallelQuery<TSource>
ParallelQuery representing the same query as source, but with the registered merge options.

Usage Note

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

ArgumentException

mergeOptions is not a valid ParallelMergeOptions value.

InvalidOperationException

WithMergeOptions is used multiple times in 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

.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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