A list box located at the upper-left corner of the Code window that lists forms and controls in the form to which the code is attached. Also, a list box located at the top of the Properties window that lists the form and its controls. A list box located at the upper-left corner of the Code window that lists forms and controls in the form to which the code is attached. Also, a list box located at the top of the Properties window that lists the form and its controls.