[]
Gets the IChartLines object that represents the series lines for the chart group.
Series lines connect the data values from each series in a stacked bar chart or
stacked column chart. This property applies only to stacked bar and stacked column charts.
Returns null if series lines are not enabled for the chart group.
IChartLines SeriesLines { get; }
ReadOnly Property SeriesLines As IChartLines
worksheet.Range["A1:C4"].Value = new object[,] {
{"Month", "North", "South"},
{"Jan", 10, 14},
{"Feb", 18, 12},
{"Mar", 15, 20}
};
IChart chart = worksheet.Shapes.AddChart(ChartType.ColumnStacked, 20, 20, 300, 200).Chart;
chart.SeriesCollection.Add(worksheet.Range["A1:C4"], RowCol.Columns, true, true);
IChartGroup chartGroup = chart.ChartGroups[0];
chartGroup.HasSeriesLines = true;
IChartLines seriesLines = chartGroup.SeriesLines;
seriesLines.Format.Line.Color.RGB = Color.Blue;