PDFsharp & MigraDoc Foundation

Is it a hard task to get the PDFSharp to work with .NET 8 ahead-of-time (AOT) compiled to native code?

It would be nice to generate PDFs with C# with a high performant self containd application.

I have tried set the project property group <PublishAot>true</PublishAot>
and publish an console application.
It builds and publishes the files for win64 in my case with some trim warnings.
When i creates a new PDFDocument in the code and it throwes the exception:

Unhandled Exception: System.NotImplementedException: Cannot create value for key: /Info
at PdfSharp.Pdf.PdfDictionary.DictionaryElements.GetValue(String, VCF) + 0x34d
at PdfSharp.Pdf.Advanced.PdfTrailer.get_Info() + 0x20
at PdfSharp.Pdf.PdfDocument.get_Info() + 0x20
at PdfSharp.Pdf.PdfDocument..ctor(Stream) + 0x64

I dunno. Didn't try yet.

I think PDFsharp/MigraDoc use reflection to some extent. Creating a size-optimized self-contained package will not work as .NET removes too much code in the process.
Maybe the same problem occurs with AOT. Try a variant that does not remove heuristically unused code if there is one.

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Best regards
Thomas
(Freelance Software Developer with several years of MigraDoc/PDFsharp experience)

Thank you TH-Soft for your reply, I got it working by setting the property <TrimMode>partial</TrimMode>.
As you saied it dident remove as much code but it works.

Thanks!

Setting `<TrimMode>partial</TrimMode>` worked for me.
But using `<TrimmerRootAssembly Include="PdfSharp" />` instead also worked for me and the resulting .EXE was much smaller.

_________________
Regards
Thomas Hoevel
PDFsharp Team