public virtual NavigationCrossSettings NavigationCross { get; }Public Overridable ReadOnly Property NavigationCross As NavigationCrossSettings
GetThe data item highlighting functionality only works, if these conditions are met: 1. MouseMode property is equal to None. 2. DataSeriesCollection accessible through ChartData property must contain at least 1 DataSeries. 3. At lest one DataSeries in DataSeriesCollection must contains at least 1 DataItem.
The data item highlighting functionality will display a navigational cross in LineChart whose intersection will be at the point on the chart specified by ChartDataIndex and by DataItemX properties.