Arguments

 

display-id

   OpenVMS usage:identifier
   type:         longword (unsigned)
   access:       read only
   mechanism:    by reference

   Display identifier of the virtual display to be scrolled. The
   display-id argument is the address of an unsigned longword
   containing this identifier.
 

direction

   OpenVMS usage:mask_longword
   type:         longword (unsigned)
   access:       read only
   mechanism:    by reference

   Optional direction specifier. The direction argument is the
   address of a longword bit mask that contains the direction code
   specifying the scrolling direction. The optional count argument
   can be used to specify the number of lines to scroll in the
   specified direction. Valid values for direction are as follows:

   SMG$M_UP       Scroll count lines upward.
   SMG$M_DOWN     Scroll count lines downward.
   SMG$M_RIGHT    Scroll count columns to the right.
   SMG$M_LEFT     Scroll count columns to the left.

   SMG$M_UP is the default.
 

count

   OpenVMS usage:longword_signed
   type:         longword (signed)
   access:       read only
   mechanism:    by reference

   Optional number of rows or columns to be scrolled. The default is
   1.