The parameters are returned as multiple values, one for each key passed in keys and in the same order as the arguments.
retrieves the specified parameters of the vertical scroll bar of
, which should be a displayed instance of a subclass of output-pane (such as
The minimum data coordinate.
The maximum data coordinate.
The length of the scroll bar slug.
The scroll page size.
The scroll step size.
Note: For the other pane classes, such as list-panel, the underlying widget decides what the scroll range and units are.