Indicates data subscription level.

Current subscription level represented as eDataSubscriptionLevel

Data subscription level is a way to control the update events received by the user on current instrument. User can choose between not receiving any events, receiving data on trade changes and receiving trade, ask and bid changes.

When not receiving events option is chosen the actual instrument is not removed from the instruments collection of CQGCEL object and the user can change the update mode any time.

The default value of data subscription level can be set from configuration. By default it is dsQuotesAndBBA.

See the usage of CQGInstrument properties in the InstrumentSubscribed event's example section.

CQGInstrument Interface  | CQGInstrument Members  | eDataSubscriptionLevel Enumeration