On Tuesday, October 5, 2004, at 11:06  AM, Edwards, Waverly wrote:

> You may be referring to overlay windows which are invisible.

As it turns out, so I was: _kOverlayWindowClass, specifically, after 
some rooting about in the instructions. And thank you for that!

One (moot) question remains: what was the nifty and recent demo that 
used them?
--
Ted Spencer
--
If you're in the rat race, you're probably a rat.