void CBCGPChartSeries::ShowMarker	(	BOOL	bShow,
		int	nDataPointIndex = -1
	)

Shows or hides a data marker for a specific data point, or for a whole series.

Call this method to show or hide a data marker for a specific data point, or for a whole series (if nDataPointIndex is -1).

Parameters

bShow	TRUE- show data marker, FALSE - hide data marker.
nDataPointIndex	Specifies a data point index. Use -1 to set the option for a series.