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When a chart is created with legend, automatically legend interactions will be enabled. So user can tap on a legend item to hide/show a respective series in chart.
My requirement is, by default few series in chart should be hidden and respective legend items should be shown as grayed(hidden in legend). So programatically, i should be able to hide those series and set respective legend items as grayed.
How i can achive this functionality? Please let me know, what APIs I can use to achive this.
There really isn’t an interaction or event. You can hook into Ext.chart.series.Series#hideAll and showAll to seta n attribute to the legend item.