Table of Contents

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).