首页 / API 参考 / StockSharp.Fix.Native MassCancelRequestType StockSharp.Fix.Native 字段 CancelAllOrders : char CancelForIssuerOfUnderlyingSecurity : char CancelForSecurityIssuer : char CancelOrdersForCfiCode : char CancelOrdersForMarket : char CancelOrdersForMarketSegment : char CancelOrdersForProduct : char CancelOrdersForSecurity : char CancelOrdersForSecurityGroup : char CancelOrdersForSecurityType : char CancelOrdersForTradingSession : char CancelOrdersForUnderlyingSecurity : char