Quote Originally Posted by jdaniel View Post
1058 - Lock to the top
Panel is displayed at the top of the screen (attached to the upper edge)

Quote Originally Posted by jdaniel View Post
1060 - Attach to desktop
Panel is registered as Windows appbar. In this mode desktop area is decreased by the size of panel (maximized windows do not abscure the panel). Otherwise, panel is an ordinary window which sticks to the bottom and maximized windows overlap it.