'宣言
Public NotInheritable Class StringItem Inherits GrapeCity.Windows.SpreadGrid.Editors.Item(Of String)
public sealed class StringItem : GrapeCity.Windows.SpreadGrid.Editors.Item<string>
'宣言
Public NotInheritable Class StringItem Inherits GrapeCity.Windows.SpreadGrid.Editors.Item(Of String)
public sealed class StringItem : GrapeCity.Windows.SpreadGrid.Editors.Item<string>
System.Object
GrapeCity.Windows.SpreadGrid.Editors.Item<T>
GrapeCity.Windows.SpreadGrid.Editors.StringItem