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XvSelectPortNotify(3X)							   XvSelectPortNotify(3X)

       XvSelectPortNotify - enable or disable XvPortNotify(3X) events

       #include <X11/extensions/Xvlib.h>

       XvSelectPortNotify(dpy, port, onoff)

       Display *dpy;
       XvPortID port;
       Bool onoff;

       dpy     Specifies  the  display	screen on which the X Server is to accept requests from X
	       clients.  If the display option is not specified, X uses the display screen speci-
	       fied  by  your  DISPLAY	environment  variable.	The display option has the format
	       hostname:number.  Using two colons (::) instead of one (:) indicates  that  DECnet
	       is to be used for transport.

       port    Specifies  the  port  for  which  PortNotify  events  are to be generated when its
	       attributes are changed using XvSetPortAttribute(3X).

       onoff   Specifies whether notification is to be enabled or disabled.

       XvSelectPortNotify(3X) enables or disables PortNotify event  delivery  to  the  requesting
       client.	 XvPortNotify(3X)  events  are	generated  when port attributes are changed using

Returned Values
	       Returned if XvSelectPortNotify(3X) completed successfully.

	       Returned if the Xv extension is unavailable.

	       Returned if XvSelectPortNotify(3X)  failed  to  allocate  memory  to  process  the

	       Generated if the requested port does not exist.

See Also
       XvSetPortNotify(3X), XvSetPortAttribute(3X), XvPortNotify(3X)

XFree86 			      Version Version 4.3.0		   XvSelectPortNotify(3X)
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