>>_vfp.Top = (SYSMETRIC(2) - _vfp.height)
>>_vfp.left=1
>
>But if the start bar is in the bottom, and not "auto-hide" it puts it at the bottom. Somehow it needs to "know" where the start bar is; and adjust for it.

Look at the SHAppBarMessage() function in the API section (#58)