This enumeration identifies attributes of polyline annotations.

Values:

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.