Example : Elements contained in a box X-OR green color elements.
In the following example, we want to select all the element contained in a box except green elements.
then 
criteria,
then definition of a box that include all elements.
Result : All the elements are selected.
without leaving the selection mode, choice
of the 
operator, then 
criteria, then choice
of the green color.
Result : The circle and the square are removed from the selection.
Confirm the selection with the OK button.
