This class is the handle class for all callback implementation classes available for IloCplex. Callback implementation classes are user-defined classes derived from a subclass of IloCplex::CallbackI.

This constructor creates a callback handle object and initializes it to the implementation object passed as the argument.

This method deletes the implementation object pointed at by the invoking handle and sets the pointer to 0.

This method returns a pointer to the implementation object of the invoking handle.

This method returns the type of the callback implementation object referenced by the invoking handle.

This enumeration type is used to identify the type of a callback implementation object referred to by an IloCplex::Callback handle.