![](dotnetdiagramimages/GrapeCity_Documents_Pdf_GrapeCity_Documents_Pdf_Layers_OptionalContentMembership.png)
'Declaration Public Class OptionalContentMembership Inherits OptionalContentIdentifier
public class OptionalContentMembership : OptionalContentIdentifier
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.OptionalContentMembership