Workaround broken Mono System.Drawing facades #82829
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Tagging subscribers to this area: @dotnet/area-system-drawing Issue DetailsLegacy Mono had incorrect facades for some System.Drawing types. This was an effect of System.Drawing being the implementation assembly and System.Drawing.Primitives/Common being the type forwarders. Due to the Mono SDK bugs many NuGets for MonoAndroid/Xamarin.iOS incorrectly expects the following types to be present in System.Drawing.Common:
PR #82618 solved a similar problem for mscorlib. We should consider adding the type forwarders from System.Drawing.Common to System.Drawing.Primitives to offer compatibility for MonoAndroid assemblies.
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…ng.Common.dll The legacy Xamarin.Android version of System.Drawing.Common.dll contained these types, add forwarders so we don't get a TypeLoadException when using an assembly compiled against that in modern .NET Android. Fixes dotnet#82829
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…ng.Common.dll (dotnet#82839) The legacy Xamarin.Android version of System.Drawing.Common.dll contained these types, add forwarders so we don't get a TypeLoadException when using an assembly compiled against that in modern .NET Android. Fixes dotnet#82829 (cherry picked from commit e486f38)
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…ity to mscorlib.dll and System.Drawing.Common.dll (#83137) * Add more type-forwarders for Xamarin.Android compatibility to mscorlib.dll (#82618) The legacy Xamarin.Android version of mscorlib.dll differed a bit compared to the .NET Framework mscorlib.dll, mostly because of additions for .NET Standard 2.1 support. This meant that an assembly which was compiled against that mscorlib expects types there but since we didn't have type-forwarders in our mscorlib.dll shim to point them to the right assembly you'd get a TypeLoadException when running on modern .NET 6 Android. Fixes #82193 (cherry picked from commit d8203e7) * Add type-forwarders for Xamarin.Android compatibility to System.Drawing.Common.dll (#82839) The legacy Xamarin.Android version of System.Drawing.Common.dll contained these types, add forwarders so we don't get a TypeLoadException when using an assembly compiled against that in modern .NET Android. Fixes #82829 (cherry picked from commit e486f38) * Use 7.0 version of the ApiCompat suppressions * Fix diff --------- Co-authored-by: Carlos Sánchez López <[email protected]>
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Legacy Mono had incorrect facades for some System.Drawing types. This was an effect of System.Drawing being the implementation assembly and System.Drawing.Primitives/Common being the type forwarders. Due to the Mono SDK bugs many NuGets for MonoAndroid/Xamarin.iOS incorrectly expects the following types to be present in System.Drawing.Common:
PR #82618 solved a similar problem for mscorlib. We should consider adding the type forwarders from System.Drawing.Common to System.Drawing.Primitives to offer compatibility for MonoAndroid assemblies.
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