This group contains samples for Layers (also known as optional content groups).

Add annotations and controls to layers

    This samples shows how to add annotations (widgets) and controls to layers in a PDF document.

Add XObjects to layers

    This samples shows how to add XObjects (watermarks) to layers in a PDF document.

Add layers to PDF

    This samples shows how to create layers (also known as optional content groups) in a PDF document.

Enumerate layers

    This samples shows how to access and enumerate collection of PDF document layers (also known as optional content groups).