This enumeration identifies attributes of polyline annotations.
| IG_ARTX_ATTR_POLYLINE_BOUNDS | Identifies annotation bounding rectangle. Read-only attribute. |
| IG_ARTX_ATTR_POLYLINE_OPACITY | Identifies annotation opacity. |
| IG_ARTX_ATTR_POLYLINE_LINE | Identifies attributes of line used to draw this annotation. |
| IG_ARTX_ATTR_POLYLINE_HEADFILLCOLOR | Identifies fill color of arrows drawn on ends of polyline. |
| IG_ARTX_ATTR_POLYLINE_STARTHEAD | Identifies attributes of polyline start head. |
| IG_ARTX_ATTR_POLYLINE_ENDHEAD | Identifies attributes of polyline end head. |
| IG_ARTX_ATTR_POLYLINE_CLOSED | Identifies whether polyline is closed or not. |
| IG_ARTX_ATTR_POLYLINE_HITTEST_BOUNDS | This value has been deprecated and will be removed from the public API in a future release. |