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The new winBindings module is not compatible with optional parameters when setting Win32 API ctypes function signatures, causing a large number of function calls to fail. #18914

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#18925
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The new winBindings module is not compatible with optional parameters when setting Win32 API ctypes function signatures, causing a large number of function calls to fail.#18914
Task
#18925
@hwf1324

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@hwf1324
hwf1324
opened on Sep 14, 2025

Related issues, PRs or discussions

#18907, #18913

What is the current state of the codebase?

After we migrated the Win DLL functions we call to winBindings, ctypes raised a TypeError because the function signatures we set did not account for optional parameters.

Why are changes required?

Make the affected functions work properly.

What technical changes are required?

Are the proposed technical changes API breaking?

Are there potential risks or issues with the proposed implementation?

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