AA:=H>REF(H,1)&&L>REF(L,1)&&H>REFX(H,1)&&L>REFX(L,1);
BB:=H<REF(H,1)&&L<REF(L,1)&&H<REFX(H,1)&&L<REFX(L,1);
DRAWTEXT(AA,H,'A');
DRAWTEXT(REF(AA,1),H,'B');
DRAWTEXT(BB,L,'C'),VALIGN0;
DRAWTEXT(REF(BB,1),L,'D'),VALIGN0;
标记B的K线最低点到标记A点K线的最高点,高度的0.382处画一条横线,线长5个K线的长度,绿色,粗细为2
标记D的K线最高点到标记C点K线的最低点,高度的0.382处画一条横线,线长5个K线的长度,红色,粗细为2
(来源:文华财经)