Controls, windows, user objects, menus
The Visible property specifies whether the object, window object, or Menu object is visible.
Select the Visible check box on the General page of the object’s Properties view.
The Visible property takes a boolean value. The following line specifies that MultiLineEdit mle_1 is visible:
mle_1.Visible = TRUE
You can use the Show and Hide functions to change the visibility of an object.