Capture a single scenario from a multi-scenario model. Use the ScenarioNumber parameter to indicate which scenario to capture.
A non-zero return value indicates that a problem occurred while extracting the single-scenario model. Refer to the Error Code table for a list of possible return values. Details on the error can be obtained by calling GRBgeterrormsg.
model: The model from which the scenario should be extracted.
singlescenarioP: The location in which the pointer to the requested single-scenario model should be placed.