Gives you access to the SeriesInteractivity object controlling the interactivity
features of the data points.
The following code formats the data points tooltips to show only the data point labels.
series.Interactivity.TooltipFormat = "<label>"
series.Interactivity.TooltipFormat = "<label>";
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2