Binding chart LegendItem checkbox to series visibility in WPF in C# codebehind - wpf

Question

I have multiple column series chart getting generated in C#. I am further trying to get the legend for this chart with the checkboxes. Such that the chart displays the column series for only legend items that are checked.
I need to do this in C# code behind and not in HTML.
I have the below existing code that creates the multiple dynamic column series -
foreach (KeyValuePair<int, string> item in list)
{
foreach (System.Data.DataRow dRow in dtTable.Rows)
{
<formation of listSource>
}
ColumnSeries ser = new ColumnSeries { Title = item.Value, IndependentValueBinding = new Binding("Key"), DependentValueBinding = new Binding("Value") };
ser.ItemsSource = null;
ser.ItemsSource = listSource;
ser.DataPointStyle = columnStyleBrown;
mcChart.Series.Add(ser);
i++;
}
}
And I further want to add something to -
ser.LegendItemStyle =
So I need to know how to create a legend style with the check boxes in c#.
There can be 2 ways of achieving this-
Either by modifying the existing legend to contain check boxes also (preferred)
Or to create a new legend altogether
Can anyone please help?
Thanks in advance!

Answer 1

Was able to resolve this -
xaml code -
<Grid Name="LayoutRoot">
<Grid.Resources>
<Style x:Key="CategoryLegendItem" TargetType="DVC:LegendItem">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="DVC:LegendItem">
<StackPanel Orientation="Horizontal">
<CheckBox VerticalAlignment="Center" IsChecked="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, Path=Owner.Visibility, Mode=TwoWay, Converter={StaticResource BooleanToVisibilityConverter1}}" Margin="0,0,3,0" />
<Rectangle Width="8" Height="8" Fill="{Binding Background}" Stroke="{Binding BorderBrush}" StrokeThickness="1" Margin="0,0,3,0" />
<DV:Title VerticalAlignment="Center" Content="{TemplateBinding Content}" />
</StackPanel>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Grid.Resources>
<DVC:Chart Name="mcChart" >
</DVC:Chart>
Relevant C# code for dynamic column series -
ColumnSeries ser = new ColumnSeries { Title = kvpNuclide.Value, IndependentValueBinding = new Binding("Key"), DependentValueBinding = new Binding("Value") };
ser.ItemsSource = null;
ser.ItemsSource = listRelease;
ser.DataPointStyle = columnStyleAqua;
ser.LegendItemStyle = (Style)LayoutRoot.Resources["CategoryLegendItem"];
mcChart.Series.Add(ser);