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Editorial Team
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Asked: 2026-05-17T20:47:22+00:00

I have this other assembly which has a folder with 10 UserControls and I

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I have this other assembly which has a folder with 10 UserControls and I reference the assembly in XAML so I can use them.

xmlns:usercontrols="clr-namespace:Company.Project.OtherAssembly.UserControls;assembly=Company.Project.OtherAssembly"

However, when I try to use the UserControls with <usercontrols:someUserControl /> it only finds 4 of the 10 UserControls.

I have no idea why, they all have the same namespace. It even finds a public class within a UserControl but not the actual UserControl.

Any help on this matter is much appreciated.

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1 Answer

  1. Editorial Team

    Do you mean that you do not see them in the IntelliSense ? Or it does not compile ?

    This may be just that XAML editor in your VS does not treat some of your user controls well. IntelliSense in WPF is sometimes hard to understand.

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