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NAME
     Get_XInfo - get a tool's X11 attributes

SYNOPSIS
     Get_XInfo(out string display,
               out string visual,
               out integer depth
               [in messageID commission]);

DESCRIPTION
     The Get_XInfo request reports  the  X11  attributes  of  the
     optionally  specified  window,  or  of  the window primarily
     associated with the recipient procid (if no window is speci-
     fied).

     The display argument is an X11 display.

     The visual argument is an X11 visual class (which determines
     how  a  pixel  will  be displayed as a color).  Valid values
     are:

          StaticGray
          GrayScale
          StaticColor
          PseudoColor
          TrueColor
          DirectColor

     The depth argument is the number of bits in a pixel.

     The commission argument is the ID  of  the  ongoing  request
     with  respect  to  which  X11  attributes  are  being set or
     reported.

APPLICATION USAGE
     The ttdt_session_join(3), and ttdt_message_accept(3),  func-
     tions  can  be  used by Xt applications to register for, and
     transparently  process,  the   Get_XInfo   request.    Also,
     Get_XInfo can be sent by ttdt_sender_imprint_on(3).

     Since the handler may be running on a different host, it  is
     almost   always   better   to  return  a  display  value  of
     hostname:n[.n] instead of :n[.n].)

     The commission argument is useful to  the  extent  that  the
     handler  employs  different  attributes  for  the  different
     operations it may be carrying out.

EXAMPLES
     The Get_XInfo request can be sent as in the following  exam-
     ple:

          Tt_message msg = tttk_message_create(0, TT_REQUEST, TT_SESSION,
                      the_recipient_procid, TTDT_GET_XINFO,
                      my_callback);
          tt_message_arg_add(msg, TT_OUT, Tttk_string, 0);
          tt_message_arg_add(msg, TT_OUT, Tttk_string, 0);
          tt_message_iarg_add(msg, TT_OUT, Tttk_integer, 0);
          tt_message_send(msg);

SEE ALSO
     tt_message_iarg_add(3), tt_message_send(3),
     ttdt_message_accept(3), ttdt_sender_imprint_on(3),
     ttdt_session_join(3).

Партнёры:

Хостинг: