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virtual |
Tells whether a data point can be displayed in a legend.
Returns TRUE if a data point can be displayed in a legend. This condition is met if CBCGPChartSeries::m_bIncludeDataPointLabelsToLegend is TRUE and CBCGPChartDataPoint::m_bIncludeLabelToLegend is TRUE (default). If you wish to exclude some data points from legend, you need to loop over desired data points and and turn m_bIncludeLabelToLegend to FALSE.
nDataPointIndex | Specifies data point index. |