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Asked: 2026-05-21T02:04:11+00:00

I have an excel AddIn which exposes IWin32Window as it’s main UI. I want

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I have an excel AddIn which exposes IWin32Window as it’s main UI.
I want to show a WPF window that uses this as it’s parent.

How do I go about doing that ?

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1 Answer

  1. Editorial Team

    You can use WindowInteropHelper to parent the WPF window appropriately:

    var helper = new WindowInteropHelper(theWpfWindow);
helper.Owner = win32Window.Handle;

theWpfWindow.Show(); // This is now parented appropriately
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