CollectionView.Count Property

Gets the number of records in the view.

Namespace:  System.Windows.Data
Assembly:  PresentationFramework (in PresentationFramework.dll)

public virtual int Count { get; }
You cannot set this property in XAML.

Property Value

Type: System.Int32
The number of records in the view, or –1 if the number of records is unknown.

If a filter is set, this property value only includes items that pass the filter. If the underlying collection is of type IEnumerable, this is an O(N) operation. This value is cached until the collection changes.

Notes to Inheritors:

When deriving from CollectionView, override this property to provide a more efficient implementation.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

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, 3.0
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