'宣言 Public MustInherit Class UltraListViewItemBase Inherits Infragistics.Shared.KeyedSubObjectBase Implements Infragistics.Shared.IKeyedSubObject, Infragistics.Shared.IKeyedSubObjectEx
public abstract class UltraListViewItemBase : Infragistics.Shared.KeyedSubObjectBase, Infragistics.Shared.IKeyedSubObject, Infragistics.Shared.IKeyedSubObjectEx