This property page is part of the Application Settings Dialog.
From this tab you can do the following:
● Enable or disable the Undo/Redo of recorded states.
● Change the number of Historical States Recorded. The default number of states that the program can record is 20.
● View and/or modify the list of actions after which the state of the file will be recorded in the program.
For more information on the Undo/Redo feature of the program, please see Undoing And Redoing Actions.