MQL5参考标准程序库交易类CPositionInfoStoreState TimeTimeMscTimeUpdateTimeUpdateMscPositionTypeTypeDescriptionMagicIdentifierVolumePriceOpenStopLossTakeProfitPriceCurrentCommissionSwapProfitSymbolCommentInfoIntegerInfoDoubleInfoStringSelectSelectByIndexSelectByMagicSelectByTicketStoreStateCheckState StoreState 保存持仓参数。 void StoreState() 返回值 无。 SelectByTicket CheckState