A chart group's high-low lines (from each category's lowest value to its highest), drop lines
(from each category's values to the category axis) or series lines (joining each stacked
series' ends from one category to the next). The series of the group share them.
A chart group's high-low lines (from each category's lowest value to its highest), drop lines (from each category's values to the category axis) or series lines (joining each stacked series' ends from one category to the next). The series of the group share them.
See
Interface
IChart.ILines