Share via

  • Article

Dictionary<TKey, TValue>.KeyCollection.Count Property

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Gets the number of elements contained in the Dictionary<TKey, TValue>.KeyCollection.

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

Syntax

'Declaration
Public ReadOnly Property Count As Integer

public int Count { get; }

Property Value

Type: System.Int32
The number of elements contained in the Dictionary<TKey, TValue>.KeyCollection.
Retrieving the value of this property is an O(1) operation.

Implements

ICollection<T>.Count
ICollection.Count

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.