爱约股解答:
{参数 前点(1,500,80) 后点(1,500,30) 调节前点,后点大小找到两个点}
DD:=DRAWLINE(CURRBARSCOUNT=前点,L,CURRBARSCOUNT=后点,L,1);
趋势线:IF(BETWEEN(DD,CONST(HHV(H,140)),CONST(LLV(L,140))),DD,DRAWNULL),COLOR00FFFF,LINETHICK2;
DRAWICON(CURRBARSCOUNT=前点,L*0.97,11);
DRAWICON(CURRBARSCOUNT=后点,L*0.97,11);