BORDER
Shows a border around the element.
Value
"YES" or "NO".
Default: "YES".
Note
In
some elements, such as
IupDialog, this attribute is only consulted when the
element is first mapped (IupMap,
IupShow,
IupShowXY or
IupPopup).
After this, it cannot be changed.
Affects
IupDialog,
IupText,
IupMultiline,
IupCanvas.