文档介绍：/*
E4:=BACKSET(D4,REF(BARSLAST(LD),1)+2);
LL:=E4>REF(E4,1);
DRAWICON(HH,H,10);
DRAWICON(LL,L,12);
H3:=HH OR ISLASTBAR OR BARSCOUNT(C)=1;
X3:=REF(BARSLAST(H3),1)+1;
F3:=BACKSET(H3 AND COUNT(LL,X3)>0,LLVBARS(IF(LL,L,POW(10,20)),X3));
G3:=F3>REF(F3,1);
I3:=BACKSET(G3,2);
LZ:=I3>REF(I3,1);
L4:=LZ OR ISLASTBAR OR BARSCOUNT(C)=1;
X4:=REF(BARSLAST(L4),1)+1;
F4:=BACKSET(L4 AND COUNT(HH,X4)>0,HHVBARS(IF(HH,H,-POW(10,20)),X4));
G4:=F4>REF(F4,1);
I4:=BACKSET(G4,2);
HZ:=I4>REF(I4,1);
DRAWLINE1(HZ,H,LZ,L,0),COLORGREEN,LINETHICK1;
DRAWLINE1(LZ,L,HZ,H,0),COLORGREEN,LINETHICK1;
K1:=BACKSET(ISLASTBAR,MIN(BARSLAST(HZ),BARSLAST(LZ))+1);
K2:=K1>REF(K1,1);
DRAWLINE1(K2,IF(HZ,H,L),ISLASTBAR,C,0),COLORGREEN,LINETHICK1;
UU:=BACKSET(ISLASTBAR,BARSLAST(LD)+1);
VV:=UU>REF(UU,1);
WW:=BACKSET(VV,REF(BARSLAST(LD),1)+2);
XX:=WW>REF(WW,1);
DRAWLINE1(XX,L,VV,L,1),COLORMAGENTA,LINETHICK1;
UU2:=BACKSET(ISLASTBAR,BARSLAST(HD)+1);
VV2:=UU2>REF(UU2,1);
WW2:=BACKSET(VV2,REF(BARSLAST(HD),1)+2);
XX2:=WW2>REF(WW2,1);
DRAWLINE1(XX2,H,VV2,H,1),COLORMAGENTA,LINETHICK1;
前一低:REF(L,BARSLAST(VV)),COLOR99FF66,LINETHICK1;
前二低:REF(L,BARSLAST(XX)),COLORFF66FF,DOT,LINETHICK1;
前一高:REF(H,BARSLAST(VV2)),COLOR99FF66,LINETHICK1;
前二高:REF(H,BARSLAST(XX2)),COLORFF66FF,DOT,LINETHICK1;
短高:REF(H,BARSLAST(VV2)),LINETHICK1;
短低:REF(L,BARSLAST(VV)),LINETHICK1;
短比:=(C-短低)/(短高-短低),LINETHICK1;