Tray icon transparency (XP and Vista)

[Scott Rossi]

Recently, Eric Chatonet wrote:

> the PNG looks fine as expected everywhere else except in Win
> tray.
> But I can see icons, not all, in Win tray that do show some
> transparency.

I believe Windows systems up through XP only support 256 colors (and thus 1
level of transparency) in the systray icons.  Vista may be different (don't
have it front of me to check).

Regards,

Scott Rossi
Creative Director
Tactile Media, Multimedia & Design