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Support for byref parameters when overriding .NET methods from Python#1663

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lostmsu
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What does this implement/fix? Explain your changes.

This supports overriding virtual .NET methods that haveout orref parameters from Python.

The new code is emitted to

  1. unpack the tuple returned from Python to extract new values for byref parameters and modify args array correspondingly
  2. marshal those new values from the args array back into arguments in generated IL

Does this close any currently open issues?

fixes#1481

Additional notes

Related to#1364

Checklist

Check all those that are applicable and complete.

  • Make sure to include one or more tests for your change
  • If an enhancement PR, please create docs and at best an example
  • Add yourself toAUTHORS
  • Updated theCHANGELOG

…Pythonnew code is emitted to1. unpack the tuple returned from Python to extract new values for byref parameters and modify args array correspondingly2. marshal those new values from the args array back into arguments in ILfixespythonnet#1481
@lostmsulostmsuforce-pushed thebugs/PythonOutInterfaceImpl branch fromc3ace5b todecc95fCompareJanuary 6, 2022 23:47
@lostmsulostmsu merged commit7450c5c intopythonnet:masterJan 7, 2022
@lostmsulostmsu deleted the bugs/PythonOutInterfaceImpl branchJanuary 8, 2022 15:49
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@filmorfilmorfilmor approved these changes

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Successfully merging this pull request may close these issues.

Calling overridden method with out parameter from C# to python results in 0xC0000005 (Access Violation)
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