Hi Marco,
as LabWindows/CVI uses text files for the code it should be easy to open/import/convert those files with LabVIEW
I would suggest to create DLLs in LabWindows and to access those DLLs in LabVIEW with the CLF node!
Best regards,
GerdW
using LV2016/2019/2021 on Win10/11+cRIO, TestStand2016/2019