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X11R7.4 - man page for xdevicebell (x11r4 section 3)

XDeviceBell(3)				   X FUNCTIONS				   XDeviceBell(3)

       XDeviceBell - ring a bell on a device supported through the input extension

       Status XDeviceBell(Display *display, XDevice *device, XID *feedbackclass, XID *feedbackid,
	      int *percent);

       display	   Specifies the connection to the X server.

       device	   Specifies the device with which the bell is associated.

		   Specifies the class of the feedback with which the bell is associated.

       feedbackid  Specifies the id of the feedback with which the bell is associated.

       percent	   Specifies the volume in the range -100 to 100 at  which  the  bell  should  be

       The  XDeviceBell request causes the server to ring a bell on the specified feedback of the
       specified device, if possible.  The specified volume is relative to the	base  volume  for
       the  bell.   If	an  invalid device is specified, a BadDevice error will be returned.  The
       feedbackclass and feedbackid parameters contain values returned by an  XGetFeedbackControl
       request and uniquely identify the bell to ring.	If a feedbackclass is specified that does
       not support a bell, or if a nonexistent feedbackid is specified, or  a  percent	value  is
       specified that is not in the range -100 to 100, a BadValue error will be returned.

       The volume at which the bell is rung when the percent argument is nonnegative is:

	      base - [(base * percent) / 100] + percent

       The volume at which the bell rings when the percent argument is negative is:

	      base + [(base * percent) / 100]

       To change the base volume of the bell, use XChangeFeedbackControl.

       XDeviceBell can generate a BadDevice or a BadValue error.

       BadDevice   An  invalid device was specified.  The specified device does not exist, or has
		   not been opened by this client via XOpenInputDevice.

       BadValue    An invalid feedbackclass, feedbackid, or percent value was specified.

       XChangeFeedbackControl(3), XBell(3)
       Programming With Xlib

X Version 11				   libXi 1.2.1				   XDeviceBell(3)

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