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virtual |
Called to calculate a bounding rectangle of data point.
For "shape" charts, like column/bar, pie, pyramid, funnel the rectangle is calculated around the shape.
For point charts, like line and area, the bounding rectangle has left/top values equal to right/bottom values.
pDataPoint | A pointer to a data point. |
rectDiagramArea | Bounding rectangle of diagram area. |
pSeries | A pointer to a series. |
nDataPointIndex | Data point index. |