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Overview

The WPF PDF Viewer control allows users to use various annotating tools for reviewing PDF files in WPF applications. These include text markup annotations, shape annotations, ink annotations, stamp annotations, text annotations, and sticky annotations.

annotate PDF files documentation

annotate PDF files github example


Highlight text

Highlight important text in PDF files. Users can customize the color of the highlight or remove the highlight.

Highlight text documentation

Highlight text in PDF files using WPF PDF Viewer.


Underline text in PDF files using WPF PDF Viewer.

Underline text

Underline notable text in PDF files. Users can customize the color of the underline or remove the underline.

Underline text documentation


Strikethrough

Strikethrough unimportant text in PDF files. Users can customize the color of the strikethrough or remove it.

Strikethrough documentation

Strikethrough text in PDF files using WPF PDF Viewer.


Squiggly text in PDF files using WPF PDF Viewer.

Squiggly

Squiggle lines under text in PDF files. Users can customize the color of the squiggly or remove the line.

Squiggly documentation


Freehand drawing (ink annotation)

Draw freehand on PDF pages. Users can customize the appearance or erase unwanted parts in freehand drawings.

Freehand drawing documentation

Draw freehand in PDF files using PDF Viewer.


Draw lines in PDF files using WPF PDF Viewer.

Lines

Include lines in PDF files. Users can move, resize, remove, or edit the appearance of lines.

Line annotation documentation


Rectangles

Add rectangles to PDF files. Users can move, resize, remove, or edit the border style and appearance of rectangles.

Rectangle annotation documentation

Draw rectangles in PDF files using WPF PDF Viewer.


Draw ellipses in PDF files using WPF PDF Viewer.

Ellipses

Include ellipses and circles in PDF files. Users can move, resize, remove, or edit the appearance of the ellipses.

Ellipse annotation documentation


Arrows

Include arrows in PDF files. Users can move, resize, remove, or edit the appearance of the arrows.

Arrow annotation documentation

Draw arrows in PDF files using WPF PDF Viewer.


Draw polygons in PDF files using WPF PDF Viewer.

Polygons

Polygons can be included in PDF files. Users can move, resize, remove, or edit the border style and appearance of polygons. The default border style is solid.

Polygon annotation documentation


Clouds

Include clouds in PDF files. Users can move, resize, remove, or edit the border style and appearance of polygons. The default border style is cloudy.

Cloud annotation documentation

Draw clouds in PDF files using WPF PDF Viewer.


Draw polylines in PDF files using WPF PDF Viewer.

Polylines

Include polylines in PDF files. Users can move, resize, remove, or edit the appearance of polylines.

Polyline annotation documentation


Stamp

Add stamps in PDF files by choosing from the 18 standard stamps available or images from the local disk. Users can move, resize, or remove a stamp.

Stamp annotation documentation

Add stamps to PDF files using WPF PDF Viewer.


Add sticky notes to PDF files using WPF PDF Viewer.

Sticky note

Add sticky notes in PDF files. Users can move, resize, remove, or edit the appearance of sticky notes.

Sticky note documentation


Free text

Add free text in PDF files. Users can move, resize, remove, or edit the text.

Free text documentation

Add text boxes to PDF files using WPF PDF Viewer.


Add text boxes to PDF files using WPF PDF Viewer.

Free text Callout

Add a free text Callout in PDF files through a text box with an arrow line. Users can move, resize, remove, or edit the text callout.

Free text callout documentation


The file link annotation feature allows users to navigate to linked external files.

Stamp annotation documentation

File link navigation with WPF PDF Viewer.


WPF PDF Viewer Comments Pane.

Annotation comments

The WPF PDF Viewer supports adding, editing, and deleting comments on annotations within PDF documents. Users can reply to comments and set comment statuses using the comment panel, facilitating dynamic and interactive document reviews.

Annotation comments documentation.

Annotation comments github example.


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