Datatip Mode
Defines datatip behavior.
None
No datatips are displayed.
Single
When the user mouses over a data point, a datatip is displayed. Only one datatip is displayed at a time.
Multiple
When the user mouses over a data point, a datatip is displayed. If points from multiple series exist at the moused-over position, multiple datatips are displayed. Only one datatip is displayed per series.
The Datatip Mode property