[FReply](API\Runtime\SlateCore\Input\FReply) OnDragRow ( const [FGeometry](API\Runtime\SlateCore\Layout\FGeometry) & InGeometry, const [FPointerEvent](API\Runtime\SlateCore\Input\FPointerEvent) & InPointerEvent, [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [SOutlinerViewRow](API\Editor\SequencerCore\MVVM\Views\SOutlinerViewRow) > InRow )