Customize RadChartView Trackball DisplayContent

Environment

Product Version	2019.2.618
Product	RadChartView for WPF

Description

How to modify the display content of ChartTrackBallBehavior's TrackBallInfoControl in RadChartView.

Solution

Set the DataPointInfoTemplate property of TrackBallInfoControl. To do this, use the TrackBallInfoStyle property of RadCartesianChart.

<telerik:RadCartesianChart.TrackBallInfoStyle> 
    <Style TargetType="telerik:TrackBallInfoControl"> 
        <Setter Property="DataPointInfoTemplate"> 
            <Setter.Value> 
                <DataTemplate> 
                    <TextBlock Text="{Binding DisplayContent}" Foreground="Green" FontStyle="Italic"/> 
                </DataTemplate> 
            </Setter.Value> 
        </Setter> 
    </Style> 
</telerik:RadCartesianChart.TrackBallInfoStyle>