Arguments

 

display-id

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

   Display identifier of the virtual display to which the help text
   is written. The display-id argument is the address of an unsigned
   longword that contains this virtual display identifier. Note that
   this display must be pasted and cannot be occluded or batched.
 

keyboard-id

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

   Optional keyboard identifier of the virtual keyboard used for
   input. The keyboard-id argument is the address of an unsigned
   longword that contains this virtual keyboard identifier. If the
   keyboard-id parameter is not specified, prompting is disabled.
 

help-topic

   OpenVMS usage:char_string
   type:         character string
   access:       read only
   mechanism:    by descriptor

   Optional help topic. The help-topic argument is the address of a
   descriptor pointing to the help topic string.
 

help-library

   OpenVMS usage:char_string
   type:         character string
   access:       read only
   mechanism:    by descriptor

   Optional help library name. The help-library argument is the
   address of a descriptor pointing to the help library name. The
   default is SYS$HELP:HELPLIB.HLB.
 

rendition-set

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

   Attribute specifier. The optional rendition-set argument is
   the address of a longword bit mask in which each attribute set
   causes the corresponding attribute to be set in the display. The
   following attributes can be specified using the rendition-set
   argument:

   SMG$M_BLINK     Displays blinking characters.
   SMG$M_BOLD      Displays characters in higher-than-normal
                   intensity.
   SMG$M_REVERSE   Displays characters in reverse video; that is,
                   using the opposite of the default rendition of
                   the virtual display.
   SMG$M_          Displays underlined characters.
   UNDERLINE
   SMG$M_          Specifies invisible characters; that is, the
   INVISIBLE       characters exist in the virtual display but do
                   not appear on the pasteboard.
   SMG$M_USER1     Displays user-defined attributes.
   through
   SMG$M_USER8

   The display-id argument must be specified when you use the
   rendition-set argument.
 

rendition-complement

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

   Attribute complement specifier. The optional rendition-
   complement argument is the address of a longword bit mask in
   which each attribute set causes the corresponding attribute to be
   complemented in the display. All attributes that can be specified
   with the rendition-set argument can be complemented with the
   rendition-complement argument. The display-id argument must be
   specified when you use the rendition-complement argument.

   The optional arguments rendition-set and rendition-complement
   let the user control the attributes of the virtual display. The
   rendition-set argument sets certain virtual display attributes,
   while rendition-complement complements these attributes. If the
   same bit is specified in both the rendition-set and rendition-
   complement parameters, rendition-set is evaluated first, followed
   by rendition-complement. By using these two parameters together,
   the user can control each virtual display attribute in a single
   procedure call. On a single-attribute basis, the user can cause
   the following transformations:

   Set  Complement Action

   0    0          Attribute set to default
   1    0          Attribute on
   0    1          Attribute set to complement of default setting
   1    1          Attribute off