{自用的，供参考}
A93:=(REF(H,20)) = (HHV(H,((40) + 1)));
A94:=FILTER(A93,20);
A95:=BACKSET(A94,(21));
A96:=FILTER(A95,20);
A97:=(REF(L,20)) = (LLV(L,((40) + 1)));
A98:=FILTER(A97,20);
A99:=BACKSET(A98,(21));
A100:=FILTER(A99,20);
A101:=((REF((LLV(L,(40))),1)) + (REF((HHV(H,(40))),1))) / 2;
A102:=((A96 AND NOT((A100 AND (A101>=(H+L)/2)))) OR (ISLASTBAR)) OR (BARSCOUNT(C) = 1);
A103:=A100 AND NOT((A96 AND (A101 <(H+L)/2)));
A104:=(REF(BARSLAST(A102),1)) + 1;
A105:=BACKSET((A102 AND ((COUNT(A103,A104)) > 0)),(LLVBARS((IF(A103,L,10000)),A104)));
A106:=A105 > (REF(A105,1));
A107:=BACKSET(A106,2);
A108:=A107 > (REF(A107,1));
A109:=(A108 OR (ISLASTBAR)) OR (BARSCOUNT(C) = 1);
A110:=(REF(BARSLAST(A109),1)) + 1;
A111:=BACKSET((A109 AND ((COUNT((A96 AND NOT((A100 AND (A101 >=(H+L)/2)))),A110)) > 0)),(HHVBARS((IF((A96 AND NOT((A100 AND (A101 >=
(H+L)/2)))),H,0)),A110)));
A112:=A111 > (REF(A111,1));
A113:=BACKSET(A112,2);
A114:=A113 > (REF(A113,1));
A115:=BACKSET((ISLASTBAR),(BARSLAST(A114) + 1));
A116:=A115 > (REF(A115,1));
A117:=BACKSET((ISLASTBAR),(BARSLAST(A108) + 1));
A118:=A117 > (REF(A117,1));
A119:=BACKSET(A116,((REF(BARSLAST(A114),1)) + 2));
A120:=A119 > (REF(A119,1));
A121:=BACKSET(A118,((REF(BARSLAST(A108),1)) + 2));
A122:=A121 > (REF(A121,1));
DRAWLINE(A120,H,A116,H,1),COLOR00FF00 ;
DRAWLINE(A122,L,A118,L,1),COLOR0000FF;
