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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

Supported in: Windows Phone 8.1
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