A form named Orders is saved to the file system as MY_ORDERES.FMB. You are modifying the Customers form, and you want to code a When-Butoon-Pressed trigger to invoke the Orders form only if the Orders form is not already open. What is the correct code to place in the When-Button-Pressed trigger?
A.
OPEN_FORM(‘ORDERS’,NO_ACTIVATE);
B.
OPEN_FORM(‘MY_ORDERS’,NO_ACTIVATE);
C.
IF NOT FIND_FORM(‘ORDERS’) THEN
OPEN_FORM(‘MY ORDERS’);
ELSE
GO_FORM(‘ORDERS’);
END IF;
D.
IF ID_NULL(FIND_FORM(‘ORDERS’)) THEN
OPEN_FORM(‘ORDERS’);
ELSE
GO_FORM(‘ORDERS’);
END IF;
E.
IF ID_NULL(FIND_FORM(‘ORDERS’)) THEN
OPEN_FORM(‘MY_ORDERS’);
ELSE
GO_FORM(‘ORDERS’);
END IF;
F.
IF NOT FIND_FORM(‘MY_ORDERS’) THEN
OPEN_FORM(‘ORDERS’);
ELSE
GO_FORM(‘ORDERS’);
END IF;