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MAN page from CentOS Other libXext-devel-1.3.4-1.el8.i686.rpm

DPMSForceLevel

Section: X FUNCTIONS (3)
Updated: libXext 1.3.4
Index 

NAME

DPMSForceLevel - forces a DPMS capable display into thespecified 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

TheDPMSForceLevelfunction forces a DPMS capable display into the specified power level. Thelevel must be one of following four states: DPMSModeOn, DPMSModeStandby,DPMSModeSuspend, or DPMSModeOff. Values other than these will result in aBadValue error. If DPMSis disabled on the display, trying to set the power level on the display willresult in a BadMatchprotocol error. 

RETURN VALUES

TRUE
TheDPMSForceLevelfunction always returns TRUE.
 

ERRORS

BadValue
A level other than DPMSModeOn, DPMSModeStandby, DPMSModeSuspend, or DPMSModeOffwas specified.
BadMatch
DPMS is disabled on the specified display.
 

SEE ALSO

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


 

Index

NAME
SYNOPSIS
ARGUMENTS
DESCRIPTION
RETURN VALUES
ERRORS
SEE ALSO

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