Re: Vista System tray implementation

Shaun Barlow wrote:
> Message with dwData = 0 (generate by SHAppBarMessage) are not
> required, but should be handled to allow proper positioning of the
> interfaces for the new vista icons. The minimum needed for correct
> positioning is to handle ABM_GETTASKBARPOS and to have the returned
> rectangle and edge correspond to the location of the interface
> containing the tray.

What's significant here is that ABM_GETTASKBARPOS isn't documented to 
set uEdge, but that Explorer does indeed set it. And the volume control 
slider depends on that. Our code didn't set it, which wasn't trivial to 
debug. (It still doesn't, but I'm onto it.)

-ilmcuts

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