CQG API 4.0 - Revised
CQGExpressionRequest Interface Members
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Glossary Item Box

Public Methods

Public Method AddSubExpression

Adds a new sub-expression to the expression.

Public Properties

Public Property Continuation

Sets/gets the continuation type, which will be used to formulate the expression request.

The default value is tsctNoContinuation.

Public Property DaysBeforeExpiration

Sets/gets the number of days prior to expiration, when the rollover will occur, to be used to formulate the expression request.

The default value for this property is 0.

Public Property EqualizeCloses

Gets/sets the equalize closes flag, which will be used to formulate the expression request.

The default value for this property is True.

Public Property HistoricalPeriod

Sets/gets the historical period, which will be used to formulate the expression request.

The default value for this property is hpUndefined.

Public Property IncludeEnd

Sets/gets the include end flag, which will be used to formulate the expression request.

The default value for this property is False.

Public Property IntradayPeriod

Sets/gets the intraday period, which will be used to formulate the expression request.

Public Property RangeEnd

Sets/gets the range end, which will be used to formulate the expression request (required).

Public Property RangeStart

Sets/gets the range start, which will be used to formulate the expression request (required).

Public Property RecalcPeriod

Sets/gets the recalculation period (in seconds), which will be used to formulate the expression request.

The default value for this property is 60.

Public Property SessionFlags

Sets/gets the session flags, which will be used to formulate the expression request.

The default value for this property is sfUndefined.

Public Property SessionsFilter

Sets/gets the sessions filter, which will be used to formulate the expression request.

The default value for this property is 0.

Public Property SubExpression

Returns the sub-expression by its index.

Public Property SubExpressionAlias

Returns the sub-expression alias by its index.

Public Property SubExpressionCount

Returns the number of sub-expressions in the CQGExpressionRequest.

Public Property SubscriptionLevel

Sets/gets the subscription level, which will be used to formulate the expression request.

The default value for this property is tslEachBar.

Public Property UpdatesEnabled

Gets/sets the updates enabled flag, which will be used to formulate the expression request.

The default value for this property is False.

See Also