How to define in c# some ObjectARX method?

[fsztuczny]

I need functions:

acdbEntGet
acdbEntMod
acdbEntUpd

of course, usingP/Invoke. Can anyone help?

[Alexander.Rivilis]

Sample of P/Invoke of acdbEntGet can be found here: http://adndevblog.typepad.com/autocad/2012/05/accessing-visible-entities-in-a-dynamic-block.html