Adobe acrobat 7.0.5 sdk User Manual
117
Working With PDF Layers
Working with Layers from a Plug-in
15
Wo r k i n g w i t h L aye r s f ro m a P l u g - i n
The
PDOCG
object represents an optional-content group. This corresponds to a PDF OCG
dictionary representing a collection of graphic objects that can be made visible or invisible.
Any graphic content of the PDF can be made optional, including page contents, XObjects,
and annotations. The specific content objects in the group have an OC entry in the PDF.
Any graphic content of the PDF can be made optional, including page contents, XObjects,
and annotations. The specific content objects in the group have an OC entry in the PDF.
Using
PDOCG
methods from a plug-in, you can:
●
Create a new OCG
●
Get and set the current state of an OCG
●
Get and set the initial OCG state
●
Get and set document configurations
For more information, see the Acrobat and PDF Library API Overview and the Acrobat and
PDF Library API Reference.
PDF Library API Reference.