Namespace iText.Kernel.Pdf.Layer
Classes
- PdfLayer
An optional content group is a dictionary representing a collection of graphics that can be made visible or invisible dynamically by users of viewer applications.
- PdfLayerMembership
Content typically belongs to a single optional content group, and is visible when the group is ON and invisible when it is OFF.
- PdfOCProperties
This class represents /OCProperties entry if pdf catalog and manages the layers of the pdf document.
- PdfVisibilityExpression
An array specifying a visibility expression, used to compute visibility of content based on a set of optional content groups.
Interfaces
- IPdfOCG
The interface generalizing the layer types (PdfLayer, PdfLayerMembership).