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