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 End-User Documentation

LayoutControl.LayoutUpgrade Event

Occurs when a layout is restored from a data store (a stream, xml file or system registry), and its version differs from the version of the current layout.

Namespace:DevExpress.XtraLayout
Assembly:DevExpress.XtraLayout.v17.1.dll

Expanded Syntax

Expanded Event Data

The event handler receives an argument of type LayoutUpgradeEventArgs containing data related to this event.

The following LayoutUpgradeEventArgs properties provide information specific to this event.
Property Description
NewHiddenItems Returns an array of items that exist in the current control but do not exist in the layout being loaded. These items are hidden. This property is in effect for the LayoutControl.
PreviousVersion Returns the textual representation of the previous layout version.

Expanded Remarks

This event enables you to customize the control's layout immediately after an earlier version of the layout has been loaded from a data store (a stream, xml file or system registry). To allow the LayoutUpgrade event to be called, you need to assign different versions to different layouts via the LayoutVersion property.

See Saving and Restoring Layouts for more information.

Expanded See Also

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