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