标题：如何在时分图，画图显示每次开平仓的盈亏

用FILLRGN函数

例如：

buycond:=o<c;
sellcond:=o>c;
buy(buycond,1,market);
sell(sellcond and enterbars>=2,holding,market);
FILLRGN(NUMPROFIT(1)>0,o,c ,colorred );
FILLRGN(NUMPROFIT(1)<0,o,c ,colorgreen );