internal XYDataLabel(SpreadXYDataSeries xyDataSeries, int pointIndex) : base(xyDataSeries, pointIndex) { }
internal XYDataMarker(SpreadXYDataSeries xyDataSeries, int pointIndex) : base(xyDataSeries, pointIndex) { }
public XValueDataSeries(SpreadXYDataSeries xyDataSeries) { this._xyDataSeries = xyDataSeries; }