new GeomAPI_XY(myParams[aPtParamPos].val, myParams[aPtParamPos + 1].val));
// line coordinates
int aLnPos = Search(theConstraint.entityA, myEntities);
aPtPos = Search(myEntities[aLnPos].point[0], myEntities);
aPtParamPos = Search(myEntities[aPtPos].param[0], myParams);
new GeomAPI_XY(myParams[aPtParamPos].val, myParams[aPtParamPos + 1].val));
// line coordinates
int aLnPos = Search(theConstraint.entityA, myEntities);
aPtPos = Search(myEntities[aLnPos].point[0], myEntities);
aPtParamPos = Search(myEntities[aPtPos].param[0], myParams);