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Lookup<TKey, TElement>::Count Property

Gets the number of key/value collection pairs in the Lookup<TKey, TElement>.

Namespace:  System.Linq
Assembly:  System.Core (in System.Core.dll)

virtual property int Count {
	int get () sealed;

Property Value

Type: System::Int32
The number of key/value collection pairs in the Lookup<TKey, TElement>.


ILookup<TKey, TElement>::Count

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.

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.

No code example is currently available or this language may not be supported.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5

.NET Compact Framework

Supported in: 3.5

XNA Framework

Supported in: 3.0

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