Arguments: standard-object
Returns true or nil as
standard-object (typically a component or
menu-item, see list below) is or is not available. An unavailable
object cannot be selected or chosen. It is usually displayed with a
visual clue that it is unavailable (i.e. it is dimmed).
The value returned can be changed with setf and this function.
Common Graphics and IDE documentation is described in About Common Graphics and IDE documentation in cgide.htm.
The documentation is described in introduction.htm and the index is in index.htm.
Copyright (c) 1998-2000, Franz Inc. Berkeley, CA., USA. All rights reserved.
Created 2000.10.5.