I have a chart with multiple dataseries, with each dataseries having annotations on top (like in the Trade Markers example). I have a legend which already shows or hides dataseries using a checkbox, but how can I make this checkbox also show or hide the annotations for that dataseries? Can I hook an event when this checkbox is triggered, or when the dataseries visibility changes?
- Robert Evans asked 10 years ago
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Hi Robert,
The Legend Checkbox is bound two way to RenderableSeries.IsVisible. We have a tutorial here which walks thorugh some extreme legend customization, including reacting to legend checkbox click and adding additional properties to the legend.
Tutorial – Custom Legend with Color Picker and Custom Point Markers
Does this help?
Also, please see additional docs for legend templating here.
Best regards,
Andrew
- Andrew Burnett-Thompson answered 10 years ago
Thanks for the quick response Andrew. In the end I wrote a handler for the RenderableSeries.IsVisibleChanged event, which is called whenever the legend checkbox is clicked on. The handler sets the relevant annotations' "IsHidden" property to be the inverse of RenderableSeries.IsVisible.
Awesome, glad you got a solution!
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