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void CBCGPChartSeries::SetSeriesLineDashStyle ( CBCGPStrokeStyle::BCGP_DASH_STYLE  style,
int  nDataPointIndex = -1 

Sets dash style either for all series lines, or for specified data point.

Use this method to set dash style for series lines. If nDataPointIndex is -1, the dash style will be used for all data points that have not been formatted individually.

The style parameter can be one of the following enumerated values:

styleSpecifies the new dash style.
nDataPointIndexSpecifies a data point index. Use -1 to set the option for a series.