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C Program to hide mouse pointer

Below is the C program to hide mouse pointer.

int initmouse() : function is used to intialize the mouse pointer. Which returns int value. Value 0 indicates Mouse support is not available.

void showmousepointer() : function is used to show mouse pointer. Which does not return any value.

void hidemousepointer() : function is used to hide mouse pointer. Which does not return any value.


Code:
#include<graphics.h>
#include<conio.h>
#include<dos.h>
 
int initmouse();
void showmousepointer();
void hidemousepointer();
 
union REGS i, o;
 
main()
{
   int status, count = 1, gd = DETECT, gm;
 
   initgraph(&gd,&gm,"C:\\TC\\BGI");
 
   status = initmouse();
 
   if ( status == 0 )
      printf("Mouse support not available.\n");
   else
   {
      showmouseptr();
 
      while(count<=10)
      {
         getch();
         count++;
         if(count%2==0)
            hidemousepointer();
         else
            showmousepointer();
      }
   }
 
   getch();
   return 0;
}
 
int initmouse()
{
   i.x.ax = 0;
   int86(0X33,&i,&o);
   return ( o.x.ax );
}
 
void showmousepointer()
{
   i.x.ax = 1;
   int86(0X33,&i,&o);
}
 
void hidemousepointer()
{
   i.x.ax = 2;
   int86(0X33,&i,&o);
}

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