ART Hotspot mark object.
Members:
| IG_ARTX_hotspot_border_get | Queries the annotation border. |
| IG_ARTX_hotspot_border_set | Updates the annotation border. |
| IG_ARTX_hotspot_bounds_get | Queries the bounding rectangle. |
| IG_ARTX_hotspot_bounds_set | Updates the bounding rectangle. |
| IG_ARTX_hotspot_create | Creates an instance of hotspot mark. |
| IG_ARTX_hotspot_fillcolor_get | Queries fill color of the annotation. |
| IG_ARTX_hotspot_fillcolor_set | Updates the annotation fill color. |
| IG_ARTX_hotspot_link_get | Queries link object associated with the annotation. |
| IG_ARTX_hotspot_link_set | Updates the link object associated with the annotation. |
| IG_ARTX_hotspot_opacity_get | Queries the value of annotation opacity. |
| IG_ARTX_hotspot_opacity_set | Updates the value of annotation opacity. |