PRODUCT  :  Borland C++                            NUMBER  :  712
  VERSION  :  2.0
       OS  :  DOS
     DATE  :  October 26, 1993                         PAGE  :  1/2

    TITLE  :  Cursor Control Functions




  These functions permit cursor control using the DOS Services.
  They are not guaranteed to work on any given setup.

  The bottom line is: if they work for you, GREAT!

  /**********************************************************************/
  #include <dos.h>

  int CURSOR = 7;

  /**********************************************************************/
  /* Routine turns off the cursor on the default screen.
  */
  /**********************************************************************/
  void cursor_off(void)
  {
          union REGS regs;
          regs.x.ax = 0x0100;
          regs.x.cx = 0x2000;
          int86 (0x10, &regs, &regs);
  }
  /**********************************************************************/
  /* Routine turns on the cursor on the default screen.
  */
  /**********************************************************************/
  void cursor_on(void)
  {
          union REGS regs;
          regs.x.ax = 0x0100;
          regs.h.ch = CURSOR - 1;
          regs.h.cl = CURSOR;
          int86 (0x10, &regs, &regs);
  }























  PRODUCT  :  Borland C++                            NUMBER  :  712
  VERSION  :  2.0
       OS  :  DOS
     DATE  :  October 26, 1993                         PAGE  :  2/2

    TITLE  :  Cursor Control Functions




  /**********************************************************************/
  /* Routine changes the cursor size on the default screen.
  */
  /**********************************************************************/
  void cursor_size(int lo, int hi)
  {
          union REGS regs;
          regs.h.ah = 0x0001;
          regs.h.ch = lo;
          regs.h.cl = hi;
          int86 (0x10, &regs, &regs);
  }

  /**********************************************************************/
  /* Routine to test the cursor functions.
  */
  /**********************************************************************/
  #include <stdio.h>
  void main(void)
  {
          int i;
          printf("Changing cursor size:   ");
          for (i=0; i<11; i++)
          {
                  cursor_size(0,i);
                  delay(250);
          }
          cursor_size(6,7);
          printf("\nThe cursor should be off!\n");
          cursor_off();
          sleep(3);
          cursor_on();
          printf("The cursor should be on!\n");
  }

  DISCLAIMER: You have the right to use this technical information
  subject to the terms of the No-Nonsense License Statement that
  you received with the Borland product to which this information
  pertains.