THotPDF.SetLoadedOptionalContentGroupVisible Method
Sets loaded optional content group visible state for subsequent document creation output. The setting affects later page drawing, page dictionary entries, conformance metadata, or text emission rather than already-written content
Declaration
procedure SetLoadedOptionalContentGroupVisible(Index: Integer; Visible: boolean);Unit
HPDFDoc
Parameters
| Name | Purpose |
|---|---|
Index | Zero-based index or object index used to select an existing item |
Visible | Input used by SetLoadedOptionalContentGroupVisible |
Return value
This member does not return a value
Usage notes
- Use this API in the document creation workflow before the affected page, resource, field, or catalog object is finalised
- Keep object names, field names, resource names, and returned handles stable until the document is finalised
- Loaded-document object references may be indirect; resolve arrays, dictionaries, or streams before inspecting nested values