Start / API-Referenz / StockSharp.Fix.Native SecurityRequestResult StockSharp.Fix.Native Felder InstrumentDataTemporarilyUnavailable : SecurityRequestResult InvalidOrUnsupportedRequest : SecurityRequestResult NoInstrumentsFoundThatMatchSelectionCriteria : SecurityRequestResult NotAuthorizedToRetrieveInstrumentData : SecurityRequestResult RequestForInstrumentDataNotSupported : SecurityRequestResult ValidRequest : SecurityRequestResult