ener.hlp (Topic list)
Important Notice
The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
Invalid when forms are showing (ERR: 272)
■ You tried to use a function or statement that is not
  available when forms are showing.
 
■ Possible solutions:
 
  • Use the HIDE method to hide forms before executing any
    graphics or other statements not supported when forms
    are showing.
 
  • Use the SCREEN object with the HIDE method to hide all
    visible forms. For example:
 
              SCREEN.HIDE
 
■ If you need additional help, move the cursor to a keyword
  and press F1 to open the Help window.