if(myDivideParamMode) {
BRep_Tool::Range(myEdge,aFirst,aLast);
Handle(Geom_Curve) aCurve = BRep_Tool::Curve(myEdge,aFirst,aLast);
if(myDivideParamMode) {
BRep_Tool::Range(myEdge,aFirst,aLast);
Handle(Geom_Curve) aCurve = BRep_Tool::Curve(myEdge,aFirst,aLast);