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documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

■ You cannot use the SHOW method to display a modal form if
  the form is already visible.
 
■ Possible solutions:
 
  • Don't try to display the form as a modal form.
 
  • Unload or hide the form before trying to display it as a
    modal form.
 
■ If you need additional help, move the cursor to a keyword
  and press F1 to open the Help window.