show tooltips of piechart when hover outside of the chart on a button

问题

http://jsfiddle.net/39UXK/4/

in this example I want to see the tooltips of the piechart when i hover on the respected buttons.

Can anyone please help me here ? Cheers

回答1:

You need to find the point in question, select it, and refresh the tooltip:

// find the point
var point = chart.series[0].points[i];

// select the point
point.select();

// refresh the tooltip
chart.tooltip.refresh(point);

来源：https://stackoverflow.com/questions/11671227/show-tooltips-of-piechart-when-hover-outside-of-the-chart-on-a-button