برنامه کار با ماوس

#include<iostream.h>
#include<stdlib.h>
#include<stdio.h>
#include<conio.h>
#include<dos.h>
class mouse

    {
    private:
    union REGS i,o;
    struct SREGS s;
    public:
    mouse()

        {
        initmouse();
        showmouseptr();
    }

    void initmouse()

        {
        i.x.ax=0;
        int86(0x33,&i,&o);
    }

    void showmouseptr()

        {
        i.x.ax=1;
        int86(0x33,&i,&o);
    }

    void getmousepos(int& button,int& x,int& y)

        {
        i.x.ax=3;
        int86(0x33,&i,&o);
        button= o.x.bx;
        x=o.x.cx;
        y=o.x.dx;
    }

};

int x=0,y=0,button=0;
mouse m;
int controller=1;
struct btn

    {
     int bx1;
     int by1;
     int bx2;
     int by2;
};

void main()

    {
    // int gdriver = DETECT, gmode;
    // initgraph(&gdriver, &gmode, "\\borlandc\\bgi");
     clrscr();
     gotoxy(2,2);
     cout<< "CLICK";
     btn b1 = {0,0,48,16};
     gotoxy(2,4);
     cout<< "CLICK";
     btn b2 ={0,16,48,32};
     gotoxy(2,6);
     cout<< "CLICK";
     btn b3 = {0,32,48,48};
     m.showmouseptr();
     while((!kbhit())&&(controller==1))

         {
         m.getmousepos(button,x,y);
         gotoxy(20,20);
         cout<< x << " " << y;
         if((x>b1.bx1)&&(y>b1.by1)&&(x<b1.bx2)&&(y<b1.by2)&&(button==1))

             {
             delay(300);
             gotoxy(12,12);
             cout << "You clicked #1";
             }
             else if((x>b2.bx1)&&(y>b2.by1)&&(x<b2.bx2)&&(y<b2.by2)&&(button==1))

                 {
                 delay(300);
                 gotoxy(12,12);
                 cout << "You clicked #2";
                 }
                 else if((x>b3.bx1)&&(y>b3.by1)&&(x<b3.bx2)&&(y<b3.by2)&&(button==1))

                     {
                     delay(300);
                     gotoxy(12,12);
                     cout<< "You clicked #3";
                     }
                     }
                }