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Editorial Team
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Asked: 2026-06-10T03:31:33+00:00

I have dialog which consist of two user controls bind to their models. I

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I have dialog which consist of two user controls bind to their models.

Dialog with user controls

I want to enable user to pick a data point on the chart control from the UserControl1.

I can get the data point on mouse down event of chart control and wan to fill the associated textbox with that value. I am unable to identify the best approach to pass that value back to the UserControl1. Also how will I identify which button has made the call to pick the data point. Note I have to do the same in an MVVM friendly manner.

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  1. Editorial Team

    Its not really about UserControl, more about ViewModels. I suggest your chart Model (which I guess should be a “ViewModel”) could raise an event passing the data point as parameter.

    To identify which button has made the call, you can memorise it in your UserControl Model (again, ViewModel).

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