This enumeration identifies attributes of polygon annotations.

Values:

IG_ARTX_ATTR_POLYGON_BOUNDS	Identifies annotation bounding rectangle. Read-only attribute.
IG_ARTX_ATTR_POLYGON_OPACITY	Identifies annotation opacity.
IG_ARTX_ATTR_POLYGON_BORDER	Identifies attributes of annotation border.
IG_ARTX_ATTR_POLYGON_FILLCOLOR	Identifies attributes of annotation fill color.
IG_ARTX_ATTR_POLYGON_HITTEST_BOUNDS	This value has been deprecated and will be removed from the public API in a future release.