An optional content group: a collection of graphics that can be made visible or invisible. A live view over its dictionary.
public sealed class PdfOptionalContentGroup
ISO 32000-2 §8.11.2.1 (PDF 1.5), Table 96. A group's state (ON or OFF) is not stored in the file; it lives in a
PdfOptionalContentState. Only groups listed in the optional content properties' OCGs array are optional
content (§8.11.3.2). Its Metadata entry is reported by PdfDocument.EnumerateObjectMetadata.
kind:method, kind:property, kind:ctor. Press Esc to clear.DictionaryGets the optional content group dictionary.IntentsGets the intended uses of the group (Intent, a name or an array of names): View when absent.NameGets the name of the group for a user interface (Name); empty when missing.ReferenceGets the indirect reference to the group (groups shall be indirect objects), or null.UsageGets the usage dictionary describing the nature of the group's content (Usage), or null.