extern const NSNotificationName _Nonnull PTAnnotationManagerAnnotationsDidChangeNotification

Posted when annotations have been changed.

The notification object is the PTAnnotationManager instance that posted the notification. The userInfo dictionary of the NSNotification instance contains entries for at least one of the PTAddedAnnotationsUserInfoKey, PTModifiedAnnotationsUserInfoKey, PTRemovedAnnotationsUserInfoKey, or PTXFDFUserInfoKey keys, depending on if annotations were added, modified, removed, or updated with an XFDF string, respectively.