'宣言 Public Class RibbonGroupCollection Inherits Infragistics.Collections.ObservableCollectionExtended(Of RibbonGroup)
public class RibbonGroupCollection : Infragistics.Collections.ObservableCollectionExtended<RibbonGroup>
RibbonGroupCollection メンバ Infragistics.Windows.Ribbon 名前空間 RibbonGroup クラス