所有用到自动画线的指标都会显示有未来，但是这个画线是不漂移的，可以复盘研究。
背离是MACD快慢线和K线的背离，也是常用的，背离直观显示，使用更方便一些。
{通达信MACD背离画线副图指标加密}
DIFF:=EMA(CLOSE,12)-EMA(CLOSE,26);
DEA:=EMA(DIFF,9);
MACD:=(DIFF-DEA)*2,COLORSTICK;
DRAWICON(CROSS(DIFF,DEA),DEA,1);
DRAWICON(CROSS(DEA,DIFF),DEA,2);
A1:=BARSLAST(REF(CROSS(DIFF,DEA),1));
B1:=REF(C,A1+1)>C AND REF(DIFF,A1+1)<DIFF AND CROSS(DEA,DIFF);
DRAWTEXT(B1>0,DEA,'顶背'),COLORFF00FF;
DRAWLINE(B1,DEA,ISLASTBAR,DEA,0),COLORFF00FF,LINETHICK2;
A2:=BARSLAST(REF(CROSS(DEA,DIFF),1));
B2:=REF(C,A2+1)<C AND REF(DIFF,A2+1)>DIFF AND CROSS(DIFF,DEA);
DRAWTEXT(B2>0,DEA,'底背'),COLOR00FF00;
DRAWLINE(B2,DEA,ISLASTBAR,DEA,0),COLOR00FF00,LINETHICK2;
