CLOSE FORM
The CLOSE FORM statement releases the memory required for a form.
form is the name of the 4GL screen form to be cleared from memory.
When it executes the OPEN FORM statement, 4GL loads the compiled screen form
into memory. Until you close the form, it remains in memory. To regain the memory allocated to a form, you
can use the CLOSE FORM statement.
References
CLOSE WINDOW
DISPLAY FORM
OPEN FORM
OPEN WINDOW