IIndicatorsiROC Method

Function iROC ( 
	sessionIndex As Integer,
	symbol As String,
	timeframe As TimeFrame,
	price As PriceUsed,
	mode As ROCMode,
	lookbackPeriods As Integer,
	Optional smaPeriods As Integer? = Nothing
) As List(Of Double?)

List<Nullable<double>>^ iROC(
	int sessionIndex, 
	String^ symbol, 
	TimeFrame timeframe, 
	PriceUsed price, 
	ROCMode mode, 
	int lookbackPeriods, 
	Nullable<int> smaPeriods = nullptr
)

abstract iROC : 
        sessionIndex : int * 
        symbol : string * 
        timeframe : TimeFrame * 
        price : PriceUsed * 
        mode : ROCMode * 
        lookbackPeriods : int * 
        ?smaPeriods : Nullable<int> 
(* Defaults:
        let _smaPeriods = defaultArg smaPeriods null
*)
-> List<Nullable<float>>