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ParallelEnumerable.Concat(TSource) Method (ParallelQuery(TSource), ParallelQuery(TSource))

Concatenates two parallel sequences.

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

static member Concat : 
        first:ParallelQuery<'TSource> * 
        second:ParallelQuery<'TSource> -> ParallelQuery<'TSource> 

Type Parameters

TSource

The type of the elements of the input sequences.

Parameters

first
Type: System.Linq.ParallelQuery(TSource)

The first sequence to concatenate.

second
Type: System.Linq.ParallelQuery(TSource)

The sequence to concatenate to the first sequence.

Return Value

Type: System.Linq.ParallelQuery(TSource)
A sequence that contains the concatenated elements of the two input sequences.

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

first or second is a null reference (Nothing in Visual Basic).

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

.NET for Windows Phone apps

Supported in: Windows Phone 8.1

Portable Class Library

Supported in: Portable Class Library
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