Occurs after a frozen worksheet area has been unlocked.
The PanesUnfrozen event's data class is PanesUnfrozenEventArgs.
Handle the PanesUnfrozen event to perform specific actions when frozen rows and columns on a worksheet are unlocked via the Worksheet.UnfreezePanes method.
This event does not occur by default. The event fires only if the WorkbookEventOptions.RaiseOnModificationsViaAPI property is true.