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ParallelEnumerable::Max<TSource> Method (ParallelQuery<TSource>^, Func<TSource, Nullable<Int64>>^)

.NET Framework (current version)
 

Invokes in parallel a transform function on each element of a sequence and returns the maximum value.

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

C#
C++
F#
VB
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public:
generic<typename TSource>
[ExtensionAttribute]
static Nullable<long long> Max(
	ParallelQuery<TSource>^ source,
	Func<TSource, Nullable<long long>>^ selector
)

Parameters

source
Type: System.Linq::ParallelQuery<TSource>^

A sequence of values to determine the maximum value of.

selector
Type: System::Func<TSource, Nullable<Int64>>^

A transform function to apply to each element.

Return Value

Type: System::Nullable<Int64>

The maximum value in the sequence.

Type Parameters

TSource

The type of elements of source.

Exception Condition
OperationCanceledException

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

ArgumentNullException

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

AggregateException

One or more exceptions occurred during the evaluation of the query.

InvalidOperationException

source contains no elements.

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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