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I try to build a windows 10 universal App with Visual Studio in c# and xaml.

But I get the error:

[...].csproj : XamlCompiler error WMC1012: A project cannot have more than one ApplicationXaml item

What does it mean? I only have one App.xaml in my project. Do you have a tip for me?

kommerzpunk
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1 Answers1

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This error now happens in VS 2022 when there is more than one *.appxmanifest file in the project.

This could happen when you want to have different manifests for each configuration. Possible solution: Different/Multiple Package.appxmanifest File depending Upon different Configuration UWP

arni
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