Questions about QT's "What's this?" feature

Hi, I just have a couple of questions regarding the "What's this?" feature offered by QT, or more specifically, it's look and styling.

I'm currently testing it in Windows XP, and am not a fan of the beige/yellow-ish color of the box which appears.

My first question is whether it looks very different in Windows Vista/7 or if it's pretty much the same.

And my second is about whether it's possible to actually style the box myself, perhaps by subclassing QWhatsThis and overriding its paintEvent or something. Does anyone know of examples or someone who's done this?

Bump.......:)

I know that the tool tip is stylable through style sheets, I guess QWhatsThis will also behave similarly, but I never really tried it before, so I can't say for sure.