Export (0) Print
Expand All

ParallelEnumerable::Average Method (ParallelQuery<Nullable<Double>>)

Computes in parallel the average of a sequence of values.

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

[ExtensionAttribute]
public:
static Nullable<double> Average(
	ParallelQuery<Nullable<double>>^ source
)

Parameters

source
Type: System.Linq::ParallelQuery<Nullable<Double>>

The source sequence.

Return Value

Type: System::Nullable<Double>
Returns the average of the sequence of values.

Usage Note

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

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

ArgumentNullException

A sequence of values that are used to calculate an average.The average of the sequence of values.source 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.

.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
Show:
© 2015 Microsoft