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# PDFOptionalContentDisplayTree

Namespace: O2S.Components.PDF4NET.Graphics.OptionalContent

Defines the hierarchy of optional content groups that is displayed in the user interface by the viewer applications.

    public class PDFOptionalContentDisplayTree

Inheritance Object → PDFOptionalContentDisplayTree

## Constructors

### PDFOptionalContentDisplayTree()

Initializes a new PDFOptionalContentDisplayTree object.

    public PDFOptionalContentDisplayTree()

## Properties

### Nodes

Gets the collection of root nodes for the display tree.

    public PDFOptionalContentDisplayTreeNodeCollection Nodes { get; }

Property Value

PDFOptionalContentDisplayTreeNodeCollection
The root nodes of the display tree.