X:=BACKSET(REFX(ISLASTBAR,1),3);
DRAWSL(X,H,0,3,0,COLORYELLOW);
DRAWSL(X,L,0,3,0,COLORYELLOW);
H>=REF(H,1)&&L<=REF(H,1),SOUND('A');
H>=REF(L,1)&&L<=REF(L,1),SOUND('B');
H>=REF(H,2)&&L<=REF(H,2),SOUND('A');
H>=REF(L,2)&&L<=REF(L,2),SOUND('B');
H>=REF(H,3)&&L<=REF(H,3),SOUND('A');
H>=REF(L,3)&&L<=REF(L,3),SOUND('B');
DRAWNUMBER(ISLASTBAR,REF(H,1),REF(H,1),0,COLORYELLOW),ALIGN0;
DRAWNUMBER(ISLASTBAR,REF(L,1),REF(L,1),0,COLORYELLOW),ALIGN0;
DRAWNUMBER(ISLASTBAR,REF(H,2),REF(H,2),0,COLORYELLOW),ALIGN0;
DRAWNUMBER(ISLASTBAR,REF(L,2),REF(L,2),0,COLORYELLOW),ALIGN0;
DRAWNUMBER(ISLASTBAR,REF(H,3),REF(H,3),0,COLORYELLOW),ALIGN0;
DRAWNUMBER(ISLASTBAR,REF(L,3),REF(L,3),0,COLORYELLOW),ALIGN0;
（来源：文华财经）
