This sample illustrates crosshair feature in chart. To see crosshair, hover or long press the chart.
This sample demonstrates the crosshair behavior in chart. Crosshair is used to inspect or focus on an individual data point.
You can customize the axis tooltip using crosshairTooltip properties in axis.
Hover the chart area to view crosshair and its tooltip. Touch and hold to enable crosshair in touch enabled devices.
More information on the Crosshair can be found in this documentation section.