DPMSForceLevel man page on FreeBSD

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DPMSForceLevel(3)		  X FUNCTIONS		     DPMSForceLevel(3)

NAME
       DPMSForceLevel - forces a DPMS capable display into the specified power
       level

SYNOPSIS
       cc [ flag ... ] file ... -lXext [ library ... ]
       #include <X11/extensions/dpms.h>

       Status DPMSForceLevel ( Display *display, CARD16 level );

ARGUMENTS
       display
	      Specifies the connection to the X server

       level  Specifies the level to force power to

DESCRIPTION
       The DPMSForceLevel function forces a  DPMS  capable  display  into  the
       specified power level.  The level must be one of following four states:
       DPMSModeOn, DPMSModeStandby, DPMSModeSuspend,  or  DPMSModeOff.	Values
       other  than these will result in a BadValue error.  If DPMS is disabled
       on the display, trying to set the  power	 level	on  the	 display  will
       result in a BadMatch protocol error.

RETURN VALUES
       TRUE	      The DPMSForceLevel function always returns TRUE.

ERRORS
       BadValue	      A level other than DPMSModeOn, DPMSModeStandby, DPMSModā€
		      eSuspend, or DPMSModeOff was specified.

       BadMatch	      DPMS is disabled on the specified display.

SEE ALSO
       DPMSCapable(3), DPMSInfo(3), DPMSGetTimeouts(3), DPMSSetTimeouts(3)

X Version 11			 libXext 1.1.1		     DPMSForceLevel(3)
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