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Louis Duran
415
XamDataChart with StackedColumnSeries bound to Dictionary?
posted

Would it be possible to bind a XamDataChart that is displaying a stacked column series to a Dictionary? Ideally I would like to do something like this:

<ig:XamDataChart.Series>
<ig:StackedColumnSeries XAxis="{Binding ElementName=StackedColumnXAxis}"
                                            YAxis="{Binding ElementName=StackedColumnYAxis}"
                                            ItemsSource="{Binding MyDictionary}">
        <ig:StackedColumnSeries.Series>
                <ig:StackedFragmentSeries ValueMemberPath="Key.Title" Title="Title" />
                        <ig:StackedFragmentSeries ValueMemberPath="Key.Hydro" Title="Hydro" />
                        <ig:StackedFragmentSeries ValueMemberPath="Key.Nuclear" Title="Nuclear" />
                        <ig:StackedFragmentSeries ValueMemberPath="Key.Gas" Title="Gas" />
                        <ig:StackedFragmentSeries ValueMemberPath="Key.Oil" Title="Oil" />
        </ig:StackedColumnSeries.Series>
</ig:StackedColumnSeries>
</ig:XamDataChart.Series>
The Dictionary would be something like this:
Dictionary<PowerData, decimal> and the PowerData key would have all the data that I care about. Note how everything above is bound to items on the key.
I'm doing it this way, since some of the same data is already bound to a bar chart which I know works with the Dictionary container. All the samples show the data being bound to ObservableCollections or to List types in C#. So I wanted to see if this is feasible before creating all the infrastructure.
  • 415
    Verified Answer
    Offline posted

    This does work. I wish I knew how to get the proper syntax highlighting in this forum. But basically, this worked just as I had hoped. Setting the ValueMemberPath to point to the Key.<valueitem> on the underlying data was all I needed to do. Binding the StackedColumnSeries to the Dictionary worked fine.

    So I think I am good to go except for ToolTips. I want a tooltip that shows the value of each individual rectangle on a stacked bar and the name of the component that made that rect. Any ideas?