BCGControlBar Pro for MFC
void CBCGPChartMAENVFormula::SetPercentage ( double  dblPercentage,
BOOL  bGenerateDataPoints = TRUE 
)

Sets an envelope's range.

Parameters
dblPercentageSpecifies envelope's range (in percentage).
bGenerateDataPointsIf TRUE, data points for the output series will be calculated immediately; otherwise you'll need to call GeneratePoints manually.