The range constraint whose dual solution value is being queried. This range constraint must be in the active model, either directly or through an instance of ILPMatrix.
Return Value
The dual solution value for the range constraint.
Remarks
UnknownObjectException The range constraint rng is not in the active model. ILOG.Concert.Exception If the method fails, an exception of type ILOG.Concert.Exception, or one of its derived classes, is thrown.