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Lookup<TKey, TElement>.ApplyResultSelector<TResult> Method

Applies a transform function to each key and its associated values and returns the results.

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

public IEnumerable<TResult> ApplyResultSelector<TResult>(
	Func<TKey, IEnumerable<TElement>, TResult> resultSelector
)

Type Parameters

TResult

The type of the result values produced by resultSelector.

Parameters

resultSelector
Type: System.Func<TKey, IEnumerable<TElement>, TResult>

A function to project a result value from each key and its associated values.

Return Value

Type: System.Collections.Generic.IEnumerable<TResult>
A collection that contains one value for each key/value collection pair in the Lookup<TKey, TElement>.

.NET Framework

Supported in: 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, 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.

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