![](dotnetdiagramimages/DS_Documents_Pdf_GrapeCity_Documents_Pdf_Layers_OptionalContentIdentifier.png)
'宣言 Public Class OptionalContentIdentifier Inherits GrapeCity.Documents.Pdf.Wrappers.PdfDictWrapper Implements GrapeCity.Documents.Pdf.Spec.IPdfDict, GrapeCity.Documents.Pdf.Spec.IPdfObject
public class OptionalContentIdentifier : GrapeCity.Documents.Pdf.Wrappers.PdfDictWrapper, GrapeCity.Documents.Pdf.Spec.IPdfDict, GrapeCity.Documents.Pdf.Spec.IPdfObject
System.Object
GrapeCity.Documents.Pdf.Wrappers.PdfWrapperBase
GrapeCity.Documents.Pdf.Wrappers.PdfWrapper<T>
GrapeCity.Documents.Pdf.Wrappers.PdfDictWrapper
GrapeCity.Documents.Pdf.Layers.OptionalContentIdentifier
GrapeCity.Documents.Pdf.Layers.OptionalContentGroup
GrapeCity.Documents.Pdf.Layers.OptionalContentMembership