[PersistenceModeAttribute(PersistenceMode.InnerProperty)]
public GridGroupByFieldList GroupByFields { get; }

<PersistenceModeAttribute(PersistenceMode.InnerProperty)> 
Public ReadOnly Property GroupByFields As GridGroupByFieldList
	Get

public:
[PersistenceModeAttribute(PersistenceMode::InnerProperty)]
property GridGroupByFieldList^ GroupByFields {
	GridGroupByFieldList^ get ();
}

[<PersistenceModeAttribute(PersistenceMode.InnerProperty)>]
member GroupByFields : GridGroupByFieldList with get