VDisplayMenu

 
Name
  VDisplayMenu - displays the 3DVIEWNIX menu.
 
Synopsis
  VDisplayMenu()
 
Description
  VDisplayMenu displays the 3DVIEWNIX menu. VDisplayMenu reads the 
information from two files MENU.COM and TREEINFO.COM, which are described
in Appendix C, to determine the menu layout.
 
Return Value
  0 - work successfully.
  1 - memory allocation error.
  2 - read error.
  3 - write error.
  4 - cannot open MENU.COM file.
  238 - cannot allocate the image.
  260 - no need to call this function.
 
Parameters
  None.
 
Side Effects
  The file MENU.COM is updated.
 
Entry Conditions
  VCreateColormap must be called first. The program "cr_menu_tree" must
be run to create the files MENU.COM and TREEINFO.COM before VDisplayMenu
is called.
 
Related Functions