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VirtualizingStackPanel.OnViewportSizeChanged Method (Size, Size)


Called when the size of the viewport changes.

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

protected virtual void OnViewportSizeChanged(
	Size oldViewportSize,
	Size newViewportSize


Type: System.Windows.Size

The old size of the viewport.

Type: System.Windows.Size

The new size of the viewport.

Use this method, in a derived class, to detect and respond to changes in the viewport size.

.NET Framework
Available since 3.0
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