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Asked: 2026-05-13T13:51:37+00:00

I have an existing WinForms application for which I’m now designing new bits in

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I have an existing WinForms application for which I’m now designing new bits in WPF. Things are going reasonably well and I have run into my first need for a dialog.

I’d like to do the dialog in WPF. It appears as though I’m going to need to do a UserControl for the actual content and then host that content via a WinForms form with an ElementHost (since UserControl has no ShowDialog() method).

And that’s where my question is. How does that work? Best I can tell, the WPF UserControl doesn’t even have a DialogResult property (which makes sense given that it has no ShowDialog() method) – it looks to me like I’d need a WPF Window control – and I don’t think I can use that in this case.

Struggling with the basic flow and setup of things here. Can someone shine a light?

Is this even possible?

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1 Answer

  1. Editorial Team

    You can open a WPF window from a WinForms application.

    Just create the window and call ShowDialog(). The CLR will load the WPF framework and open the window.

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