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XSETDEVICEMODE(3)					       XSETDEVICEMODE(3)

NAME
     XSetDeviceMode - change the mode of a device

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

     XSetDeviceMode( Display *display,
		     XDevice *device,
		     int mode);

     display
	    Specifies the connection to the X server.

     device
	    Specifies the device whose mode is to be changed.

     mode
	    Specifies the mode. You can pass Absolute, or Relative.

DESCRIPTION
	 The XSetDeviceMode request changes the mode of an input device
	 that is capable of reporting either absolute positional
	 information or relative motion information. Not all input
	 devices are capable of reporting motion data, and not all are
	 capable of changing modes from Absolute to Relative.

	 XSetDeviceMode can generate a BadDevice or BadMode error.

DIAGNOSTICS
	 BadDevice
		An invalid device was specified. The specified device
		does not exist or has not been opened by this client via
		XOpenInputDevice. This error may also occur if some
		other client has caused the specified device to become
		the X keyboard or X pointer device via the
		XChangeKeyboardDevice or XChangePointerDevice requests.

	 BadMatch
		This error may occur if an XSetDeviceMode request is
		made specifying a device that has no valuators and
		reports no axes of motion.

	 BadMode
		An invalid mode was specified. This error will also be
		returned if the specified device is not capable of
		supporting the XSetDeviceMode request.

				   05/18/2026		       XSETDEVICEMODE(3)

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<https://man.freebsd.org/cgi/man.cgi?query=XSetDeviceMode&sektion=3&manpath=FreeBSD+Ports+15.1.quarterly>

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