I have a WPF application that includes several dialog-boxes (each implemented
as a <Window>.  In each of them, there are several <TextBox> elements, many
of which require some sort of validation.  I've defined <ValidationRule>
objects for each one, and hooked them up a <Style>, a ...

I'm trying to embed a dll written in C (with MFC and ATL support) in the
assembly .NET that uses it.
I know that some technique exists to embed .NET code in win32 module (to
obfuscate it). Is there some relation?