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XvSelectPortNotify(3x)					XvSelectPortNotify(3x)

Name
       XvSelectPortNotify - enable or disable XvPortNotify(3x) events

Syntax
       #include <X11/extensions/Xvlib.h>

       XvSelectPortNotify(dpy, port, onoff)

       Display *dpy;
       XvPortID port;
       Bool onoff;

Arguments
       dpy     Specifies the display screen on which the X Server is to accept
	       requests from X clients.	 If the display option is  not	speci‐
	       fied, X uses the display screen specified by your DISPLAY envi‐
	       ronment variable.  The display  option  has  the	 format	 host‐
	       name:number.   Using  two  colons (::) instead of one (:) indi‐
	       cates that DECnet is to be used for transport.

       port    Specifies the port for which PortNotify events are to be gener‐
	       ated   when  its	 attributes  are  changed  using  XvSetPortAt‐
	       tribute(3x).

       onoff   Specifies whether notification is to be enabled or disabled.

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

Returned Values
       [Success]
	       Returned if XvSelectPortNotify(3x) completed successfully.

       [XvBadExtension]
	       Returned if the Xv extension is unavailable.

       [XvBadAlloc]
	       Returned if XvSelectPortNotify(3x) failed to allocate memory to
	       process the request.

Diagnostics
       [XvBadPort]
	       Generated if the requested port does not exist.

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

X Version 11			  libXv 1.0.1		XvSelectPortNotify(3x)

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