Identifies the event that is raised when the layout is invalidated.
Assembly: UIAutomationClient (in UIAutomationClient.dll)
This identifier is used by UI Automation client applications. UI Automation providers should use the equivalent identifier in AutomationElementIdentifiers.
This event is raised by a container of elements whenever the visibility information of many elements has changed. This event is used by the client as an indicator that it needs to refresh the BoundingRectangleProperty and IsOffscreenProperty information that it may have cached for elements within the tree. The recommended number of changes that triggers this event is 25.
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.
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.