Lookup<TKey, TElement>.Count Property
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Gets the number of key/value collection pairs in the Lookup<TKey, TElement>.
Namespace: System.Linq
Assembly: System.Core (in System.Core.dll)
Syntax
'Declaration
Public ReadOnly Property Count As Integer
public int Count { get; }
Property Value
Type: System.Int32
The number of key/value collection pairs in the Lookup<TKey, TElement>.
Implements
Remarks
The value of the Count property does not change because items cannot be added to or removed from a Lookup<TKey, TElement> object after it has been created.
Examples
The following example demonstrates how to use Count to determine the number of key/value collection pairs in a Lookup<TKey, TElement>. This code example is part of a larger example provided for the Lookup<TKey, TElement> class.
' Get the number of key-collection pairs in the Lookup.
Dim count As Integer = lookup.Count
// Get the number of key-collection pairs in the Lookup.
int count = lookup.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.