Re: faultcode and faultstring of a soap webservice through a wcf client (PB.Net 12.5)

I received this suggestion for a .Net developer

c# - Configuring the .NET WCF UTF-8 deserializer to modify/discard non-shortest form chars instead of throwing an except…

Is it possible to override .Net classes been used by PowerBuilder itself?, I mean: even if I inherit that System.ServiceModel.Channels.Message class, I'm not directly invoking it, can I make PB to use my class and not the one from .Net Framework?