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Gets or sets whether to show the line connecting the means of the boxes in the selected series.
This property is valid only for boxwhisker charts.
bool ShowMeanLine { get; set; }
Property ShowMeanLine As Boolean
worksheet.Range["A1:A5"].Value = new object[,] {{10}, {12}, {13}, {14}, {40}};
IChart chart = worksheet.Shapes.AddChart(ChartType.BoxWhisker, 20, 20, 300, 200).Chart;
chart.SeriesCollection.Add(worksheet.Range["A1:A5"]);
ISeries series = chart.SeriesCollection[0];
bool showMeanLine = series.ShowMeanLine;