hmmm I'm not really familiar with these functions... the easiest thing will be to just implement them, I'll try to upload a new version of the wrapper as soon as possible (most likely today) which implements these functions !

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