This enumeration identifies attributes of rectangle annotations.

Values:

IG_ARTX_ATTR_RECTANGLE_BOUNDS	Identifies annotation bounding rectangle.
IG_ARTX_ATTR_RECTANGLE_OPACITY	Identifies annotation opacity.
IG_ARTX_ATTR_RECTANGLE_BORDER	Identifies attributes of annotation border.
IG_ARTX_ATTR_RECTANGLE_FILLCOLOR	Identifies attributes of annotation fill color.
IG_ARTX_ATTR_RECTANGLE_HITTEST_BOUNDS	This value has been deprecated and will be removed from the public API in a future release.