#include<iostream.h>
int a=0;
class Point
{
    int m,n;
public:
    void setm(int i){m=i;}
    void setn(int i){n=i;}
    void disp(){cout<<"m="<<m<<",n="<<n<<endl;}
};
void main()
{
    void (Point::*p)(int);//类成员函数指针
    Point b;
    p=Point::setm;
    (b.*p)(10);
    p=Point::setn;
    (b.*p)(20);
    b.disp ();
}