Mouse programming in c

(1) Write a c program which restricts the movement of pointer?
Answer:




//restrict the x and y coordinate

#include

#include

void main()

{

union REGS i,o;

//show mouse pointer

i.x.ax=1;

int86(0x33,&i,&o);

//x coordinate restriction

i.x.ax=7;

i.x.cx=20;

i.x.dx=300;

int86(0x33,&i,&o);

//y coordinate restriction

i.x.ax=8;

i.x.cx=50;

i.x.dx=250;

int86(0x33,&i,&o