[Mono-devel-list] Platform identification

[Massimiliano Mantione]

> > That's intreresting. But, sorry for the question, why?
> > [...]
> Well, the issue is that a program compiled on Mono would be
> referencing members that do not exist on the Windows platform.
> So this strategy is designed so we can transport applications
> back and forth.

Moreover, this strategy is not simply specific to mono, it is
mandated by the ECMA standard (exactly to allow portability).
The standard does, however, allow you to make standard classes
implement additional interfaces.