Fires before a specific Ribbon Page is activated.
[DXCategory("Events")] public event RibbonPageChangingEventHandler SelectedPageChanging
<DXCategory("Events")> Public Event SelectedPageChanging As RibbonPageChangingEventHandler
The SelectedPageChanging event's data class is DevExpress.XtraBars.Ribbon.RibbonPageChangingEventArgs.
This event fires before a specific Ribbon Page is activated. It can be handled to customize the page. The event’s Cancel parameter allows you to prevent the page from being activated.
The RibbonControl.SelectedPageChanged event fires after the page has been activated.