Allocates the next MCID of form's content, drawn on page, and makes that sequence the element's last content item.
public PdfMarkedContentReference AddMarkedContent(PdfPage page, PdfFormXObject form)
The page the form is drawn on.
The form XObject whose content will hold the sequence; it must be an indirect object.
Stm naming the form.ISO 32000-2 §14.7.5.2 (Table 357, Stm), §14.7.5.4: MCIDs are scoped to their content stream, so the form gets its own
StructParents key and parent-tree array.