Class: ValueHolderWithRememberedPreviousValue

• Inheritance
• Description
• Instance protocol
  • accessing

Inheritance:

   Object
   |
   +--Model
      |
      +--ValueModel
         |
         +--ValueHolder
            |
            +--ValueHolderWithRememberedPreviousValue

Package:

stx:libview2

Category:

Interface-Support-Models

Version:

rev: 1.4 date: 2021/11/26 13:13:29

user: cg

file: ValueHolderWithRememberedPreviousValue.st directory: libview2

module: stx stc-classLibrary: libview2

Description:

I implement a valueHolder which remembers the previous value whenever changed.

copyright
COPYRIGHT (c) 2014 by Claus Gittinger
             All Rights Reserved

This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice.   This software may not
be provided or otherwise made available to, or used by, any
other person.  No title to or ownership of the software is
hereby transferred.

Instance protocol:

 previousValue

return my previous value

 setValue: anObject

set my value without notification.