The IAnnPrimarySecondaryPictureObject interface provides properties that are common to any class of annotation object that utilizes primary and secondary pictures. The following Annotation Object classes provided by LEADTOOLS implement this interface:
An encrypt annotation object may be an encryptor or a decryptor. The image that is displayed when the object is an encryptor is specified in the PrimaryPicture property. The image that is displayed when the object is a decryptor is specified in the SecondaryPicture property.