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Dictionary(TKey, TValue).IDictionary(TKey, TValue).Keys Property

Gets an ICollection(T) containing the keys of the IDictionary(TKey, TValue).

Namespace:  System.Collections.Generic
Assembly:  mscorlib (in mscorlib.dll)

private abstract Keys : ICollection<'TKey> with get 
private override Keys : ICollection<'TKey> with get

Property Value

Type: System.Collections.Generic.ICollection(TKey)
An ICollection(T) of type TKey containing the keys of the IDictionary(TKey, TValue).

Implements

IDictionary(TKey, TValue).Keys

The order of the keys in the returned ICollection(T) is unspecified, but it is guaranteed to be the same order as the corresponding values in the ICollection(T) returned by the Values property.

Getting the value of this property is an O(1) operation.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.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 8, Silverlight 8.1

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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