ParallelEnumerable::Concat<TSource> Method (ParallelQuery<TSource>, ParallelQuery<TSource>)
.NET Framework 4.5
Concatenates two parallel sequences.
Namespace: System.Linq
Assembly: System.Core (in System.Core.dll)
[ExtensionAttribute] public: generic<typename TSource> static ParallelQuery<TSource>^ Concat( ParallelQuery<TSource>^ first, ParallelQuery<TSource>^ second )
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).| Exception | Condition |
|---|---|
| ArgumentNullException | first or second is a null reference (Nothing in Visual Basic). |
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.