How to tell window to come to front?

["Stephan R.A. Deibel" <sdeibel archaeopteryx com>]

I am trying to implement a Windows menu that will bring windows to front
upon selection from the menu.

Nothing I've tried to bring the window to front has worked!

What is the correct / official way to do this?  I may be having problems
because I am making the calls from a signal handler, but wasn't able to
find info in any of the docs / faqs / etc on whether anything I've tried
was even correct.

Thanks for any info!

- Stephan