MQL5参考标准程序库交易类CPositionInfoCheckState TimeTimeMscTimeUpdateTimeUpdateMscPositionTypeTypeDescriptionMagicIdentifierVolumePriceOpenStopLossTakeProfitPriceCurrentCommissionSwapProfitSymbolCommentInfoIntegerInfoDoubleInfoStringSelectSelectByIndexSelectByMagicSelectByTicketStoreStateCheckState CheckState 检查当前参数并与保存参数对比。 bool CheckState() 返回值 true - 如果自上次调用 StoreState() 方法以来仓位参数有变化, 否则 - false。 StoreState CDealInfo