Provides access to settings used to draw the drop lines in line, area or stock charts.
A ChartLineOptions object containing chart line display options.
Use the DropLines property to display and modify the drop lines that extend from the data markers to the category axis on a chart, as shown in the image below (the chart is displayed in Microsoft® Excel®)
If you try to display drop lines on a chart that does not support them, an exception occurs.
Currently, the SpeadsheetControl does not display the drop lines on a chart. However, display settings are loaded and stored in supported formats, and you can modify them programmatically.