Annotation

An annotation associates a location on a page of a PDF document with an object such as a note, sound, or movie. Annotation is usually activated when the user presses the mouse button on it.

Essential PDF has support for creating following annotations.

• SoundAnnotation - Plays sound file.
• AttachmentAnnotation - Opens attached file.
• UriAnnotation - Navigates to specified URI.
• ActionAnnotation - Performs specified action.
• FileLinkAnnotation - Opens file with the specified path.
• DocumentLinkAnnotation - Navigates to specified destination within the document.
• PopupAnnotation - Displays text in a popup window for entry and editing.