A_OpenOrderPrice-返回当前商品的某个未成交委托单的委托价格 这个函数怎么用？

试了几次都无法取出价格，下面这个代码要怎么改？A_OpenOrderPrice-返回指定帐户下当前商品的某个未成交委托单的委托价格Events OnReady() { Integer i; For i = 0 To A_AccountCount - 1 { Range[0:DataCount - 1] { Integer j; For j = 0 To A_GetOpenOrderCount(i) - 1 { Print("OrderIndex:" + Text(j)); Numeric value = A_OpenOrderPrice(j, i); Print("A_OpenOrderPrice:" + Text(value)); } } } }