VirtualizingPanel.CacheLength Attached Property
Gets or sets the size of the cache before and after the viewport when the VirtualizingPanel is virtualizing.
Assembly: PresentationFramework (in PresentationFramework.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation
The cache is the amount of space above or below the viewport in which items are not virtualized. Use a cache to avoid generating UI elements as they’re scrolled into view. The CacheLengthUnit property determines the unit of measurement that is used by .
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.