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robbmcleod / clr_array_convert.md
Last active March 22, 2025 22:01
Convert NumPy `ndarray` to C# `System.Array` and back again

Originally for Python 3.7 and PythonNet 2.4.0 I wrote a snippet of code to transform NumPy ndarray into System.Array from CLR and back again using pure python and the ctypes package memmove function:

https://github.com/pythonnet/pythonnet/issues/514
https://github.com/pythonnet/pythonnet/issues/652

However, after the release of PythonNet 2.5.0 there were some changes to the PythonNet interface that created some small breaks in my code snippet: