C++ And Loaded Code And Static Lib

I have a static library that I've built.  This library consists of 
mostly C++ classes in a separate namespace (call it MyNameSpace).

I also have two pref panes (think of them as Code bundles that get 
loaded into an app).  Both of these pref panes statically link with 
my library.

However, when the second pref pane/code bundle is loaded, it uses the 
classes loaded from the first pref pane/code bundle (even if the 
classes have different implementations but the same names).

How do I get each pref pane/code bundle to use the classes it linked 
with, rather than looking them up from previously loadded code?

I knew this was a problem with Objective-C, but I had though C++ 
didn't have this problem.

Thank you muchly, this a huge problem for me.

SD.
-- 
==========================================
SD

WARNING: Programming may be habit forming.