Settings for the Undo and Redo Functions
Define the maximum number of drawing phases to be stored in the memory.
- Select 


Settings
        
Undo and Redo. - Edit the data in the dialog box:
- Edit the number of phases to be stored.
 - Edit the memory consumption estimate.
 

 - If you select Free Memory Now , the program will ask for your
        confirmation to continue. If you select Yes, the Undo and Redo
        history will be lost.
        
 You can use this function if the
          program slows down due to low available memory. - Select OK.
 
