glutChangeToSubMenu  -  changes the specified menu item in
       the current menu into a sub-menu trigger.

SYNTAX

       void glutChangeToSubMenu(int entry, char *name, int menu);

ARGUMENTS

       entry     Index into the menu items of the current menu (1
                 is the topmost menu item).

       name      ASCII  character  string  to display in the menu
                 item to cascade the sub-menu from.

       menu      Identifier of the menu to cascade from this sub-
                 menu menu item.

DESCRIPTION

       glutChangeToSubMenu changes the specified menu item in the
       current menu into a sub-menu trigger. The entry  parameter
       determines  which  menu  item  should be changed, with one
       being the topmost item. entry must be between 1 and  glut-
       Get(GLUT_MENU_NUM_ITEMS)  inclusive.   The  menu  item  to
       change does not have to be  a  sub-menu  trigger  already.
       The  string  name  will be displayed for the newly changed
       sub-menu trigger. The menu identifier names  the  sub-menu
       to cascade from the newly added sub-menu trigger.

SEE ALSO

       glutChangeToMenuEntry, glutAddSubMenu, glutRemoveMenuItem

AUTHOR

       Mark J. Kilgard (mjk@nvidia.com)