catch (bad_cast)  statement

class bad_cast : public exception {public:  bad_cast(const char * _Message = "bad cast");  bad_cast(const bad_cast &);  virtual ~bad_cast();};

// expre_bad_cast_Exception.cpp// compile with: /EHsc /GR#include <typeinfo.h>#include <iostream>class Shape {public:  virtual void virtualfunc() const {}};class Circle: public Shape {public:  virtual void virtualfunc() const {}};using namespace std;int main() {  Shape shape_instance;  Shape& ref_shape = shape_instance;  try {   Circle& ref_circle = dynamic_cast<Circle&>(ref_shape);   }  catch (bad_cast b) {   cout << "Caught: " << b.what();  }}

Circle circle_instance;Circle& ref_circle = circle_instance;

Shape& ref_shape = dynamic_cast<Shape&>(ref_circle);