PDF annotation library for Xamarin

Annotations allow users to mark up and comment on PDFs without altering the original authors content.

Apryse SDK Benefits include:

• Infinite Undo/Redo
• Support for annotation flattening
• Support for annotation appearances
• XFDF Import
• Export annotations to FDF, XFDF, text, or PDF annotation summary
• Sticky (Note)
• Comments
• Text markup (highlight, squiggly, underline, strikeout)
• Add shapes (line, arrow, polyline, rectangle, ellipse, polygon, cloud)
• Cloud annotations
• Apply freehand ink annotations
• Signatures
• Save the annotations into the PDF file
• File attachments
• Sound, movie, and 3D annotations
• Support for custom annotations
• FreeText, Callout
• TextHighlight, TextUnderline, TextSquiggly, TextStrikeout
• Stamp
• Redaction

Get started

Annotation namespaces Lists of namespaces in the Apryse libraries containing the annotation tools.

Annotation tools An introduction to annotation tools and ToolManager.

Config annotation tools To configure annotation tools using ToolManagerBuilder.

Import annotations To import a full set of annotations in a document using XFDF.

Export annotations To export a full set of annotations in a document using XFDF.

Annotation sync To import and export a partial set of annotations in a document using XFDF.

Annotation list To display a list of all annotations in a document.

Annotation toolbar To display a toolbar to create annotations and easily switch between different annotation tools.

Style editor To display a style editor where users can change annotation colors.

Style properties To set an annotation style property such as color, interior color, border style, padding, etc to an annotation.

Default style properties To configure default annotation style properties such as border color, border thickness, fill color, and more.

Toolmanager Events/triggers An introduction to events and triggers available from the ToolManager.

Custom appearances To customize an annotations appearance such as with a custom image.

Custom event handlers To customize event handling behavior before executing or notified of actions as it happens.

Remove annotation To remove an annotation from a document.

Read only mode (Android) To disable all interactions by enabling read only mode.

Disable create/edit To selectively disable creation or editing of annotations.

Show/hide annotations (Android) To show or hide annotations altering the annotations visibility.