How to use custom runtimeconfig.json from LinqPad?

pwhe23 · February 2022

I've recently started getting an error "System.Drawing.Common is not supported on this platform" when trying to use the EPPlus Nuget package. I only get this error when loading our application's library DLL into LinqPad which references EPPlus to generate an Excel file. I found this page which seems to explain the error:

https://docs.microsoft.com/en-us/dotnet/core/compatibility/core-libraries/6.0/system-drawing-common-windows-only

However the fix involves adding a setting to the runtimeconfig.json file:

"configProperties": {
  "System.Drawing.EnableUnixSupport": true
}

How can I access the runtimeconfig.json file used by LinqPad or use my own?

JoeAlbahari · February 2022

This shouldn't happen: the System.Drawing.Common in .NET 6 should usurp the NuGet package. Go to Query Properties, Advanced, Show Assembly Resolution log. Can you post the output?

sabelabraham · September 2022

I am having the same issue, any solution?

JoeAlbahari · September 2022

Can you provide a step-by-step repro?

How to use custom runtimeconfig.json from LinqPad?

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