BCGControlBar Pro for MFC
CBCGPChartMAENVFormula::CBCGPChartMAENVFormula ( MovingAverageType  maType = CBCGPChartAdvancedFormula::MA_SIMPLE,
int  nPeriod = 20,
double  dblPercentage = 2.5,
double  dblBandOpacity = 0.1 
)

Constructs a formula object.

Parameters
maTypeSpecifies moving average type.
nPeriodSpecifies moving average period.
dblPercentageSpecifies envelope's range (in percentage).
dblBandOpacitySpecifies band opacity in interval [0 - 1].