ILOG CPLEX .NET Reference Manual

Cplex.BarrierCallback Constructor 

Constructor for user-written barrier callback.

protected internal Cplex.BarrierCallback();

Remarks

This constructor can be called only to construct objects of derived user-written callback classes. It cannot be used to construct Cplex.BarrierCallback objects directly.

See Also

Cplex.BarrierCallback Class | ILOG.CPLEX Namespace