Lookup<TKey, TElement>::Item Property (TKey)
.NET Framework (current version)
Gets the collection of values indexed by the specified key.
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.
Implements
ILookup<TKey, TElement>::Item[TKey]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.
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
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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