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

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DMXAddScreen(3) 								  DMXAddScreen(3)

       DMXAddScreen - attach a new back-end screen

       #include <X11/extensions/dmxext.h>

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

       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.

       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.

       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

       DMXRemoveScreen(3),   DMXChangeScreensAttributes(3),   DMXGetScreenAttributes(3),  DMX(3),

X Version 11				   libdmx 1.1.3 			  DMXAddScreen(3)
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