Close Box property

You can set the Close Box property to omit the close window box in the upper right corner of the form and to disable two commands on the Form menu: Close and Save Changes and Close and Cancel Changes.

Setting	Description
True	Default. Enables the close window box and the Form menu commands Close and Save Changes and Close and Cancel Changes.
False	Omit the close window box and disable the Form menu commands Close and Save Changes and Close and Cancel Changes.