Controls the tooptip mode.
The following code formats the tooltips of a bar series to display the bar label and index.
barSeries.TooltipMode = SeriesTooltipMode.Formatted
barSeries.TooltipFormat = "<label> <index>"
barSeries.TooltipMode = SeriesTooltipMode.Formatted;
barSeries.TooltipFormat = "<label> <index>";
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