VirtualizingStackPanel.MeasureOverride Method

Measures the child elements of a VirtualizingStackPanel in anticipation of arranging them during the ArrangeOverride pass.

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

protected override Size MeasureOverride(
	Size constraint
)

Parameters

constraint
Type: System.Windows.Size
An upper limit Size that should not be exceeded.

Return Value

Type: System.Windows.Size
The Size that represents the desired size of the element.

When scrolling, VirtualizingStackPanel does not grow in layout size, but effectively adds its descendants on a z-plane, which is normally clipped by a parent element (typically a ScrollContentPresenter) to the size of the stack.

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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