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Links: .NET Desktop - net (#107)

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* Links: .NET Desktop - net

* Update dotnet-desktop-guide/net/wpf/index.yml

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Co-authored-by: Andy De George <[email protected]>
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David Coulter
2020-11-05 12:01:28 -08:00
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co-authored by Andy De George
parent 25480ff846
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dotnet-desktop-guide/net/wpf/migration/convert-project-from-net-framework.md
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@@ -213,10 +213,10 @@ If you have many source files that would need to be excluded this way, you can d
### A brief aside on multi-pass compilers
After removing the offending file from the Bean Trader sample, you can re-build and will get four errors. Didn't you have one before? Why did the number of errors go up? The C# compiler is a [multi-pass compiler](https://docs.microsoft.com/archive/blogs/ericlippert/how-many-passes). This means that it goes through each source file twice. First, the compiler just looks at metadata and declarations in each source file and identifies any declaration-level problems. Those are the errors you've fixed. Then it goes through the code again to build the C# source into IL; those are the second set of errors that you're seeing now.
After removing the offending file from the Bean Trader sample, you can re-build and will get four errors. Didn't you have one before? Why did the number of errors go up? The C# compiler is a [multi-pass compiler](/archive/blogs/ericlippert/how-many-passes). This means that it goes through each source file twice. First, the compiler just looks at metadata and declarations in each source file and identifies any declaration-level problems. Those are the errors you've fixed. Then it goes through the code again to build the C# source into IL; those are the second set of errors that you're seeing now.
> [!NOTE]
> The C# compiler does [more than just two passes](https://docs.microsoft.com/archive/blogs/ericlippert/how-many-passes), but the end result is that compiler errors for large code changes like this tend to come in two waves.
> The C# compiler does [more than just two passes](/archive/blogs/ericlippert/how-many-passes), but the end result is that compiler errors for large code changes like this tend to come in two waves.
### Third-party dependency fixes (Castle.Windsor)