Lists all available selection states for the chart's series and series points.
A series / series point is in the default state.
A series / series point is hot-tracked.
A series / series point is selected.
A series / series point is hot-tracked for drill down.
The values listed by the SelectionState enumeration are used to set the CustomDrawSeriesPointEventArgs.SelectionState property for the series whose points are currently being painted.
The following table illustrates all available states: