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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)

ICollection<TKey> IDictionary<TKey, TValue>.Keys { 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, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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