[This documentation is for preview only, and is subject to change in later releases. Blank topics are included as placeholders.]
Specifies the method the VirtualizingStackPanel uses to manage virtualizing its child items.
Assembly: PresentationFramework (in PresentationFramework.dll)
By default, a VirtualizingStackPanel creates an item container for each visible item and discards it when it is no longer needed (such as when the item is scrolled out of view). When an ItemsControl contains a many items, the process of creating and discarding item containers can negatively affect performance. When VirtualizationMode is set to , the VirtualizingStackPanel reuses item containers instead of creating a new one each time.
When VirtualizingStackPanel cannot recycle item containers, it uses the standard mode of virtualization, which is to create and discard item containers for each item. The following list describes cases when the VirtualizingStackPanel cannot recycle item containers:
The following example shows the data used in the previous example.
Windows 8 Consumer Preview, Windows Server 8 Beta, Windows 7, Windows Server 2008 SP2, Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)