https://help.syncfusion.com/cr/uwp/Syncfusion.XlsIO.Parser.Biff_Records.Charts.ChartChartLineRecord.html
Class ChartChartLineRecord - UWP API Reference | Syncfusion
This record specifies drop lines, hi-lo lines, or series lines on a line chart. If the chart has both drop lines and hi-lo lines, two CHARTLINE records will be...
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