windowsforms-devexpress-dot-xtrabars-dot-toolbarform-dot-toolbarformcontrol-66492352.md
Occurs before a layout is restored from storage (stream, XML file, or system registry).
Namespace : DevExpress.XtraBars.ToolbarForm
Assembly : DevExpress.XtraBars.v25.2.dll
NuGet Package : DevExpress.Win.Navigation
[DXCategory("Events")]
public event LayoutAllowEventHandler BeforeLoadLayout
<DXCategory("Events")>
Public Event BeforeLoadLayout As LayoutAllowEventHandler
The BeforeLoadLayout event's data class is LayoutAllowEventArgs. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| Allow | Gets or sets whether to allow upgrading the control layout. |
| 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. Inherited from LayoutUpgradeEventArgs. |
| PreviousVersion | Returns the textual representation of the previous layout version. Inherited from LayoutUpgradeEventArgs. |
You can use ToolbarFormControl.SaveLayoutTo~ and ToolbarFormControl.RestoreLayoutFrom~ methods to save/restore the layout.
The BeforeLoadLayout and LayoutUpgrade events fire before and after the layout is restored.
See Also