AT_ERRCOUNT ART_mark_query(
        HIGEAR hIGear, 
        ART_MARK_INDEX hMarkIndex, 
        LPART_MARK_ATTRIBUTES lpMarkAttr
);

HIGEAR  hIGear; /* HIGEAR handle of image */
AT_ERRCOUNT  nErrcount; /* tally of IG errors on  */
/* the stack   */
ART_MARK_INDEX hMarkIndex; /* index to the mark  */
/* being queried  */
ART_MARK_ATTRIBUTES ma ; /* structure holding the  */
/* mark's attributes  */
UINT arrowCount;  /* number of arrow marks  */
/* assoc. with image  */
/* Get index of first mark created */
ART_mark_first(hIGear, &hMarkIndex, NULL);
/* While there are valid index number, iterate through them and keep count of any arrow
marks associated with the image */
while (hMarkIndex != ART_INVALID_ID)
{
nErrcount = ART_mark_query(hIGear, hMarkIndex, &ma);
if (ma.dwType = 506)
{
arrowCount++
}
   nErrcount = ART_mark_next(hIGear,&HMarkIndex,NULL);
}