MQL5参考标准程序库交易类COrderInfoSelect TicketTimeSetupTimeSetupMscOrderTypeTypeDescriptionStateStateDescriptionTimeExpirationTimeDoneTimeDoneMscTypeFillingTypeFillingDescriptionTypeTimeTypeTimeDescriptionMagicPositionIdVolumeInitialVolumeCurrentPriceOpenStopLossTakeProfitPriceCurrentPriceStopLimitSymbolCommentInfoIntegerInfoDoubleInfoStringStoreStateCheckStateSelectSelectByIndex Select 以单号选择订单, 用于进一步访问其属性。 bool Select( ulong ticket // 订单 ) 返回值 true 成功情况下 false 如果不能选择订单。 CheckState SelectByIndex