Gives you access to the Interactivity object associated with the legend.
The following code changes the tooltip of the legend:
ChartControl.InteractivityOperations.Add(New TooltipInteractivityOperation())
Dim legend As Legend = CType((NChartControl.Legends(0)), Legend)
legend.Interactivity.Tooltip = "This is my legend"
ChartControl.InteractivityOperations.Add(new TooltipInteractivityOperation());
Legend legend = (Legend)(NChartControl.Legends[0]);
legend.Interactivity.Tooltip = "This is my legend";
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