IABSD.fr/xenocara/lib/libdmx/man/DMXGetScreenCount.man

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• Author : matthieu
  Date : 2006-11-25 18:01:46
  Hash : 799832a0
  Message : import from X.Org 7.2RC2

• lib/libdmx/man/DMXGetScreenCount.man

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  .TH DMXGetScreenCount 3X __vendorversion__
  .SH NAME
  DMXGetScreenCount \- determine number of back-end screens
  .SH SYNOPSIS
  .B #include <X11/extensions/dmxext.h>
  .sp
  .nf
  .BI "Bool DMXGetScreenCount(Display " *dpy ,
  .BI "                       int " *screen_count );
  .fi
  .SH DESCRIPTION
  .B DMXGetScreenCount()
  returns the number of back-end screens that a
  .BR Xdmx (1)
  server controls.  Since a DMX screen usually fills all of the available
  area on a back-end server, there is usually a one-to-one correspondence
  between DMX screens and backend servers.  However, it is also possible
  for a DMX screen to cover only part of the available area on a back-end
  server, and for more than one DMX screens to occupy different parts of
  the visible area on the same back-end server.
  .PP
  A DMX screen may be managed as a regular X screen in the
  .BR Xdmx (1)
  server or may be joined with other DMX screens using Xinerama.
  .SH "RETURN VALUE"
  .B DMXGetScreenCount()
  sets
  .I screen_count
  and returns
  .B True
  unless there is a protocol error.
  .SH NOTES
  If Xinerama is active, only one logical screen will be available to
  clients of the
  .BR Xdmx (1)
  server.  However, this call will accurately reflect the number of
  composite back-end screens that the
  .BR Xdmx (1)
  server is using.
  .SH "SEE ALSO"
  .BR DMXGetScreenAttribtues "(3X), "
  .BR DMXChangeScreenAttributes "(3X), "
  .BR DMX "(3X), " Xdmx (1)