a new version was uploaded (for Acknex 7.85.4 AND Acknex 8.10)
the update of the wrapper includes:

this update includes:
- missing PhysX functions included : pXent_rotate, pXent_setbodyflag, pXent_setbodyflagall (thanks to pararealist !)

here's the link:

AcknexWrapper_2_3_1_FOR_8_20_AND_7_85_4.zip

get the C# wrapper:
for A7.85.4 and A8.30.4, Version 2.3.9
at http://acknexwrapper2.matthias-auer.net/ or visit the thread