Internal property, used by control.
Creation date.
The field is used for compatibility with Adobe Acrobat Reader.
Indicates if annotation has associated popup annotation.
Annotation id.
True when annotation is not renderable.
Internal helper property. Primary annotation's children annotations. Note, the array contains all children annotations, including annotations what is not direct descendant of the primary annotation.
Modification date.
Resolved reference to parent annotation.
Parent annotation id for popup annotation.
Popup annotation id.
Id of the primary annotation to which this annotation belongs. ("in reply to" value).
R - this annotation is reply to the primary annotation specified by field referenceAnnotationId. Group - annotation should be grouped with primary annotation specified by field referenceAnnotationId.
Beginning with PDF 1.5, Annotations may have author-specific state associated with them. The state is not specified in the annotation itself but in separate text annotation that refers to the original annotation by means of its 'IRT' ("in reply to") entry.
The state model corresponding to state.
Base class for all markup annotations.