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VirtualizationCacheLength.CacheBeforeViewport Property

.NET Framework 4.5

Gets the size of the cache after the viewport when the VirtualizingPanel is virtualizing.

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

public double CacheBeforeViewport { get; }

Property Value

Type: System.Double
The size of the cache after the viewport when the VirtualizingPanel is virtualizing.

In this context, "virtualize" refers to a technique by which a subset of user interface (UI) elements are generated from a larger number of data items based on which items are visible on the screen. Use a cache to avoid generating UI elements as they’re scrolled into view.

.NET Framework

Supported in: 4.6, 4.5

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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