Lookup<TKey, TElement>::Item Property (TKey)

 

Gets the collection of values indexed by the specified key.

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

public:
property IEnumerable<TElement>^ default[
	TKey key
] {
	virtual IEnumerable<TElement>^ get(TKey key) sealed;
}

Parameters

key
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.

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.

Universal Windows Platform
Available since 8
.NET Framework
Available since 3.5
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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