Regarding the AOT compilation issue of Winui3

[duwenlong2]

Refer to the following two documents:
https://learn.microsoft.com/zh-cn/windows/apps/windows-app-sdk/stable-channel#version-16
https://learn.microsoft.com/zh-cn/dotnet/core/deploying/native-aot/?tabs=windows%2Cnet9plus#publish-native-aot-using-the-cli

Can you provide more detailed information on how to use AOT to implement WinUI3 compilation normally?

[ghost1372]

1.Add

<IsAotCompatible>True</IsAotCompatible>

analyzer will warn you if you have a code which is not supported in AOT.

2.mark your classes with partial keyword
3.for p/invoke stuff use CSWin32 nuget package (or use LibraryImport instead of DllImport)
add a NativeMethods.json file with following config: (marshaling should be disabled for p/invoke stuff)

{
  "$schema": "https://aka.ms/CsWin32.schema.json",
  "allowMarshaling": false,
  "public": false
}

4.avoid using reflection.
5.use typeof(Foo) instead of Foo.GetType()

and finally
<PublishAot>True</PublishAot>

[RDMacLachlan]

Hi @duwenlong2 , did Ghost's response provide you with the information you need?

[RDMacLachlan]

We also have the following two articles for reference:

• https://github.com/microsoft/CsWinRT/blob/master/docs/aot-trimming.md
• https://devblogs.microsoft.com/dotnet/creating-aot-compatible-libraries/