IupPreviousField
Shifts the focus to the previous element that can have the focus. It is relative to the given element and does not depend on the element currently with the focus.
Parameters/Return
Ihandle* IupPreviousField(Ihandle* ih); [in C] iup.PreviousField(ih: ihandle) -> (ih: ihandle) [in Lua]
ih: identifier of the interface element.
Returns the element that received the focus or NULL if failed.