Sub DataSeries( _
   ByVal fillDown As Boolean, _
   ByVal type As DataSeriesType, _
   ByVal date As DataSeriesDate, _
   ByVal step As Double, _
   ByVal stop As Double, _
   ByVal trend As Boolean _
) 

void DataSeries( 
   bool fillDown,
   DataSeriesType type,
   DataSeriesDate date,
   double step,
   double stop,
   bool trend
)

Parameters

fillDown

Specifies that this method should fill down if true or fill across if false.

type

Specifies the type of fill to perform.

date

Specifies the type of date operation to be performed when DataSeriesType.Chronological is used.

step

Specifies the amount to increment by.

stop

Specifies the value to stop at; use double.PositiveInfinity to fill the entire range.

trend

Specifies that the existing data should be analysed and new data generated from the resulting curve if true, or that a standard fill should be performed if false.

Reference