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Gets the parent series of this points collection.
Use this property to access the ISeries object that owns the current collection of chart points.
ISeries Parent { get; }
ReadOnly Property Parent As ISeries
worksheet.Range["A1:B4"].Value = new object[,] {{"Month", "Sales"}, {"Jan", 12}, {"Feb", 18}, {"Mar", 15}};
IChart chart = worksheet.Shapes.AddChart(ChartType.ColumnClustered, 20, 20, 300, 200).Chart;
chart.SeriesCollection.Add(worksheet.Range["A1:B4"]);
ISeries series = chart.SeriesCollection[0];
IPoints points = series.Points;
ISeries parentSeries = points.Parent;