enumIGArtXHitTest

This flag enumeration specifies point hittest results for a selected mark.

Values:

IG_ARTX_HITTEST_NONE	The point is outside of any mark.
IG_ARTX_HITTEST_ONMARK	The point is exactly on mark pixels.
IG_ARTX_HITTEST_ONBOUND	The point is exactly on mark bounding rectangle.
IG_ARTX_HITTEST_ONPOINT	The point is exactly on mark corner-point.
IG_ARTX_HITTEST_INBOUND	The point is within mark bounds, but not on mark pixels.
IG_ARTX_HITTEST_ON	The point is either: Exactly on mark pixels. Exactly on mark bounding rectangle. Exactly on mark corner-point.