C program to hide the mouse pointers.

C program to hide the mouse pointers.
In this program, we hide the mouse pointers using graphics.h and dos.h library functions.
To use graphics.h, we have to install the drivers in to the the system by using the initgraph() function.

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#include<graphics.h>

#include<conio.h>

#include<dos.h>

void showmouseptr();

void hidemouseptr();

union REGS i, o;

int main()

{

    int  count = 1, gd = DETECT, gm;

   

    initgraph(&gd,&gm,"C:\TC\BGI");/*check your path, to install the drivers in to the the system*/

   

    i.x.ax = 0;

    int86(0X33,&i,&o);

    if(o.x.ax == 0)

    {

        printf("nt Sorry! Mouse support not available !");

    }

    else

    {

        showmouseptr();

       

        while(count<=10)

        {

            getch();

            count++;

            if(count%2==0)

            hidemouseptr();

            else

            showmouseptr();

        }

    }

   

    getch();

    return 0;

}

void showmouseptr()

{

    i.x.ax = 1;

    int86(0X33,&i,&o);

}

void hidemouseptr()

{

    i.x.ax = 2;             // to hide mouse

    int86(0X33,&i,&o);

}