This enumeration identifies attributes of point annotations.
Values:
| IG_ARTX_ATTR_POINT_X | Identifies X point coordinate. |
| IG_ARTX_ATTR_POINT_Y | Identifies Y point coordinate. |
| IG_ARTX_ATTR_POINT_WIDTH | Identifies point width. |
| IG_ARTX_ATTR_POINT_OPACITY | Identifies annotation opacity. |
| IG_ARTX_ATTR_POINT_COLOR | Identifies annotation color. |
| IG_ARTX_ATTR_POINT_HITTEST_BOUNDS | This value has been deprecated and will be removed from the public API in a future release. |