BCGControlBar Pro for MFC
void CBCGPChartLineSeries::CloseShape ( BOOL  bClose,
BOOL  bFill 

Tells the series to draw closed shape.

Call this function to enable closed shape. In this case the first and last data points will be connected by a line and the shape will be filled if bFill is TRUE.

This option is available only if X axis is not categorized (e.g. you specify values for X axis).

bCloseSpecifies whether to close the shape, or not.
bFillSpecifies whether to fill the shape, or not.