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VS reports warning "WMC9999: Type universe cannot resolve assembly" from xaml compiler
See original GitHub issueVersion used: Visual Studio 16.7 Preview 6 WinUI 3 Preview 2 .NET 5 SDK Preview 7 (x64 only)
Reproduce:
It doesn’t reproduce for templated project, but reproduces for my simple scaffold project.
There’s warning WMC9999: Type universe cannot resolve assembly: WinRT.Runtime, Culture=neutral, PublicKeyToken=null. for every xaml file shown in VS error list window, but not in VS build output.
It seems to be caused by setting <BaseIntermediateOutputPath> in Directory.Build.props, but I cannot eliminate the warning completely by commenting it out.
The attachment is reproduction project.
Issue Analytics
- State:
- Created 3 years ago
- Comments:6 (2 by maintainers)
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Looks to be solved in preview 3.
I may as well add that I have been seeing this warning since preview version 1 as well as the other two in this screenshot. I hadn’t reported them yet because I have been using .Net 5.0 preview 7 with WinUI and as we know, that’s not the currently supported version. Since there doesn’t seem to be a way to have side-by-side installations of previews of .Net (that I am aware of) I didn’t take the time to uninstall, roll back and then revert the process when I was done. Thanks to @huoyaoyuan for reporting it. You can find a project that replicates the warnings at https://github.com/jtbrower/WinUI .