In a multiple-form application, navigates to the form with the next lowest sequence number. (Forms are sequenced in the order they were invoked at runtime.) If there is no form with a lower sequence number, PREVIOUS_FORM navigates to the form with the highest sequence number. If there is no such form, the current form remains current.
When navigating with PREVIOUS_FORM, no validation occurs and no triggers fire except WHEN-WINDOW-DEACTIVATED, which fires for the form that initiates navigation, and WHEN-WINDOW-ACTIVATED, which fires for the target form.
PROCEDURE PREVIOUS_FORM;
Built-in Type restricted procedure
Enter Query Mode no
The target form cannot be a form that is currently disabled as a result of having invoked another form with CALL_FORM.