TheBigUndo_StateChangedNotifier
Protected Interface TheBigUndo_StateChangedNotifier
Description
TheBigUndo_StateChangedNotifier is an interface that can be implemented by any class.

The methods will be called with the text describing the Undo/Redo state and a boolean value to determine if there is an Undo/Redo available.
Methods
TheBigUndo_RedoStateChanged
Called when the Redo state has changed. RedoText is the text the user should see, Active is wh
TheBigUndo_UndoStateChanged
Called when the Undo state has changed. UndoText is the text the user should see, Active is wh