向量相加

Point.h
class Point{
private:
    int X ;
	int Y ;
public:
	Point();
	Point(int x ,int y) ;
	Point & operator =(Point &A) ;
	Point operator +(Point A) ;
	int get_X() ;
	int get_Y() ;
	~Point(void);
};

Point.cpp
#include "Point.h"


Point::Point(void){}
Point::~Point(void){}
Point::Point(int x ,int y):X(x),Y(y){}
Point& Point::operator=(Point & A){
    X=A.X ;
	Y=A.Y ;
	return *this ;
}
Point Point::operator +(Point A){
	return Point(X+A.X,Y+A.Y) ;        
}
int Point::get_X(){
     return  X ;
}
int Point::get_Y(){
     return  Y ;
}

void CMFCPointDlg::OnClickedButtonAddPoint()
{
	// TODO: 在此添加控件通知处理程序代码
	UpdateData(true) ;
	Point A(A_x,A_y) ;
	Point B(B_x,B_y) ;
	Point ans=A+B ;
	C_x=ans.get_X() ;
	C_y=ans.get_Y() ;
	UpdateData(false) ;
}