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Why does the PDPageDrawContentsToWindow method render annotations on a PDF page, but PDPageDrawContentsToWindowEx will not?

Apr 30, 2025 APDFL, Adobe PDF Library, Optional Content, annotations, PDPageDrawContentsToWindowEx, PDPageDrawContentsToMemory, layers 0 0 0/5 (0 Vote)

Adobe PDF Library does not offer a single interface that will allow control of both Optional Content and Annotations at the same time for a PDF document. PDPageDrawContentsToMemory() allows selection of Annotation faces, but does not have control for... Read More

Which is the best way to create a PDF document with optional content groups or "Layers"?

Apr 8, 2025 APDFL, Adobe PDF Library, Layers, OCG, optional content group, ISO 32000 0 0 0/5 (0 Vote)

Optional Content is a feature that permits content to be made visible or invisible, based on switch set when being viewed in Adobe Acrobat or other viewing tool. Optional Content, or “layers,” are a useful way to present information when opening... Read More

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