'宣言
Public Class _PositionImageAnnotation Inherits _PositionRectangleAnnotation Implements IAnnotation, IAnnotationPosition, IBoxBounded, IQueryInterface, IRotatableAnnotation
public class _PositionImageAnnotation : _PositionRectangleAnnotation, IAnnotation, IAnnotationPosition, IBoxBounded, IQueryInterface, IRotatableAnnotation