Example of Trackball in ASP.NET MVC Chart Control
This sample depicts the trackball behavior in the chart. To view the trackball and its tooltip, hover over the chart or tap on it in touch-enabled devices.
DEMO
SOURCE
The trackball is used to track a data point close to the mouse or touch position. The trackball can be enabled by setting the Enableopens in a new tab property of the crosshair to true and the Sharedopens in a new tab property of the tooltip to true in the chart.
More information about the trackball can be found in this documentation sectionopens in a new tab.