IIndicatorsiIchimoku Method

Function iIchimoku ( 
	sessionIndex As Integer,
	symbol As String,
	timeframe As TimeFrame,
	mode As IchimokuMode,
	Optional tenkanPeriods As Integer = 9,
	Optional kijunPeriods As Integer = 26,
	Optional senkouBPeriods As Integer = 52,
	Optional senkouOffset As Integer? = Nothing,
	Optional chikouOffset As Integer? = Nothing
) As List(Of Double?)

List<Nullable<double>>^ iIchimoku(
	int sessionIndex, 
	String^ symbol, 
	TimeFrame timeframe, 
	IchimokuMode mode, 
	int tenkanPeriods = 9, 
	int kijunPeriods = 26, 
	int senkouBPeriods = 52, 
	Nullable<int> senkouOffset = nullptr, 
	Nullable<int> chikouOffset = nullptr
)

abstract iIchimoku : 
        sessionIndex : int * 
        symbol : string * 
        timeframe : TimeFrame * 
        mode : IchimokuMode * 
        ?tenkanPeriods : int * 
        ?kijunPeriods : int * 
        ?senkouBPeriods : int * 
        ?senkouOffset : Nullable<int> * 
        ?chikouOffset : Nullable<int> 
(* Defaults:
        let _tenkanPeriods = defaultArg tenkanPeriods 9
        let _kijunPeriods = defaultArg kijunPeriods 26
        let _senkouBPeriods = defaultArg senkouBPeriods 52
        let _senkouOffset = defaultArg senkouOffset null
        let _chikouOffset = defaultArg chikouOffset null
*)
-> List<Nullable<float>>