double lotsA==lots*0.25
OrderClose( int ticket, lotsA, priceA, 3, Blue)
OrderClose( int ticket, lotsA, priceB, 3, Blue)
OrderClose( int ticket, lotsA, priceC, 3, Blue)
OrderClose( int ticket, lotsA, priceD, 3, Blue)
這樣,就是在priceA,priceB,priceC,priceD那裏平倉,每個價位平掉25%。