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UndoVisibilityChange
  category: Balloon3D-Wonderland Undo
  superclass: Object
  subclasses:

This class undoes a change in an actor's visibility.

instance methods
  accessing
  setActor:andOriginalVisibility:

  undoing
  undoIt

class methods
  instance creation
  for:from:

instance methods
  accessing top  
 

setActor:andOriginalVisibility:

Set the original visibility to undo back to

  undoing top  
 

undoIt

Set the object's visibility back to its original value

class methods
  instance creation top  
 

for:from:

Create a new UndoVisibilityChange instance using aVisibility as the original visibility