Controls, windows, user objects, menus
The Visible property specifies whether the object, window object, or Menu object is visible.
To set the Visible property:
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.