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CentOS 7.0 - man page for dmxaddscreen (centos section 3)

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DMXAddScreen(3) 								  DMXAddScreen(3)

NAME
       DMXAddScreen - attach a new back-end screen

SYNOPSIS
       #include <X11/extensions/dmxext.h>

       Bool DMXAddScreen(Display *dpy,
			 const char *displayName,
			 unsigned int mask,
			 DMXScreenAttributes *attr,
			 int *screen);

DESCRIPTION
       DMXAddScreen()  attaches  a  back-end screen to the Xdmx(1) server, in place of the previ-
       ously detached back-end server specified by screen.

       displayName is the name of the new back-end display, mask specifies the field in attr that
       are active, and screen returns the new Xdmx(1) screen number for the attached screen.

       The  information  stored  in  mask   and  attr is identical to that used by the DMXChange-
       ScreensAttributes(3) and DMXGetScreenAttributes(3) functions.

RETURN VALUE
       DMXAddScreen() will return True if the screen was successfully attached, and False  other-
       wise.   False will be returned if the -addremovescreens command line option was not speci-
       fied on the Xdmx(1) command line, the input value of screen is out of range, screen is not
       currently  detached,  displayName cannot be opened, has unexpected visuals, or has charac-
       teristics that do not match the previously detached screen.

       DMXAddScreen() can generate BadLength, BadAlloc, and BadValue errors.

NOTES
       Attributes that are not specified will default to 0.  This may lead to unintended results.

       Unlike other functions in the DMX(3) API, this function uses screen  for  both  input  and
       output.

SEE ALSO
       DMXRemoveScreen(3),   DMXChangeScreensAttributes(3),   DMXGetScreenAttributes(3),  DMX(3),
       Xdmx(1)

X Version 11				   libdmx 1.1.3 			  DMXAddScreen(3)
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