用tbuyholdingex和tsellholdingex這兩個函數來查看持倉
if 開倉條件 and (tholding=0 or tsellholdingex=1) then begin tbuy (1,shou,lmt,d1,0,'','品種');
end
if 開倉條件 and (tholding=0 or tbuyholdingex=1) then begin tbuyshort (1,shou,lmt,d2,0,'','品種');
是這樣寫嗎?