Returns the current scroll position of a pane such as
list-panel
,
display-pane
or
tree-view
.
The function
get-scroll-position
returns the scroll position of the pane
pane
in the given
dimension
.
pane should be an instance of a pane class that has built-in scrolling. That is, the scrolling is implemented by the underlying widget. Examples include list-panel, display-pane and tree-view.
In general, the units in the returned value
position
are unspecified, but they can be passed to the generic function scroll with
operation
:move
to restore the position.
For a list-panel, the vertical units are items.