I am working on some custom XamDataChart controls and in part of it I need some custom tool-tips. I can do it in XAML like this:

<ig:XamDataChart x:Name="xamDataChart">

        <ig:XamDataChart.Axes>

           <ig:NumericXAxis x:Name="numericXAxis"/>

            <ig:NumericYAxis x:Name="numericYAxis"/>

        </ig:XamDataChart.Axes>

        <ig:XamDataChart.Series>

            <ig:ScatterLineSeries x:Name="observationSeries" Thickness="1" MarkerType="Circle" IsHighlightingEnabled="True">

                <ig:ScatterLineSeries.ToolTip>

                    <StackPanel Orientation="Vertical">

                        <TextBlock Margin="2" Text="{Binding Item.XValue, StringFormat=BinCenter: {0,9:###0.000}}" VerticalAlignment="Stretch" />

                        <TextBlock Margin="2" Text="{Binding Item.YValue, StringFormat=BinValue: {0,10:##########}}" VerticalAlignment="Stretch" />

                    </StackPanel>

               </ig:ScatterLineSeries.ToolTip>

            </ig:ScatterLineSeries>

        </ig:XamDataChart.Series>

    </ig:XamDataChart>

In above code, XValue and YValue are properties of a custom data container class which I've made.

Now due to multiple reasons I want to do this in code behind (one good reason is being able to use nameof operator). So the question is how can I achieve this goal?