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How to display more data in the tooltip of WPF Chart (SfChart)?
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WPF Chart provides the support to display the needed information from its model of populated items source along with Tooltip UI customization with the help of TooltipTemplate in the chart series as shown in the following code example.
Here, display the both country's name and its population details in the tooltip. By default, it displays the corresponding y-axis value of that segment.
<Window.DataContext> <local:ViewModel/> </Window.DataContext> <Window.Resources> <DataTemplate x:Key="tooltipTemplate"> <StackPanel Orientation="Horizontal"> <!--Template element has DataContext as its Segment named Item. From it, you can access the correponding Model--> <TextBlock FontFamily="Segoe UI" Foreground="White"> <Run Text="{Binding Item.Country}"/> <Run Text=":"/> <Run Text="{Binding Item.Population}"/> </TextBlock> </StackPanel> </DataTemplate> </Window.Resources> <StackPanel> <syncfusion:SfChart Header="Population growth" Width="353" Height="298"> <syncfusion:SfChart.PrimaryAxis> <syncfusion:CategoryAxis/> </syncfusion:SfChart.PrimaryAxis> <syncfusion:SfChart.SecondaryAxis> <syncfusion:NumericalAxis/> </syncfusion:SfChart.SecondaryAxis> <syncfusion:ColumnSeries ItemsSource="{Binding Data}" XBindingPath="Country" YBindingPath="Population" ShowTooltip="True" TooltipTemplate="{StaticResource tooltipTemplate}"/> </syncfusion:SfChart> </StackPanel>
See also
How to display the tooltip when the mouse is in any region of the FastLineBitmapSeries in WPF Charts
How to customize WPF Charts tooltip
How to set the duration for chart tooltip