Like a multi-line-editable-text control,
except that the value may be any lisp object rather than a string
only. When the control's value is set programmatically to a new
arbitrary lisp object, pprint
is called internally on the object to return a string to be displayed
in the control. When the end user types into the control, read-from-string is
called internally on the new string to produce a new arbitrary lisp
object that is then stored as the value of the control. Errors are
trapped during the reading so that no break will occur; if an error is
signaled during the reading then nil is stored as the value of the
control.
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.