Lookup(TKey, TElement).Item Property

Gets the collection of values indexed by the specified key.

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

abstract Item : 
        key:'TKey -> IEnumerable<'TElement> with get 
override Item : 
        key:'TKey -> IEnumerable<'TElement> with get


Type: TKey

The key of the desired collection of values.

Property Value

Type: System.Collections.Generic.IEnumerable(TElement)
The collection of values indexed by the specified key.


ILookup(TKey, TElement).Item

This indexed property provides the ability to index a specific collection of values in the Lookup(TKey, TElement) by using the following syntax: myLookup[key] in Visual C# or myLookup(key) in Visual Basic. If the key is not found in the collection, an empty sequence is returned.

The following example demonstrates how to use Item to index directly into a Lookup(TKey, TElement). This code example is part of a larger example provided for the Lookup(TKey, TElement) class.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0

.NET for Windows Phone apps

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

Portable Class Library

Supported in: Portable Class Library
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