求詳解

[ZhiJun Zhang]

求詳細解釋以下語句： if ((AllBars==0) || (Bars<AllBars)) AB=Bars; else AB=AllBars;
if (BarsForFract>0)
BFF=BarsForFract;
else
{
switch (Period())
{
case 1: BFF=12; break;
case 5: BFF=48; break;
case 15: BFF=24; break;
case 30: BFF=24; break;
case 60: BFF=12; break;
case 240: BFF=15; break;
case 1440: BFF=10; break;
case 10080: BFF=6; break;
default: DelObj(); return(-1); break;
}
}