DPMSForceLevel (3) - Linux Manuals

DPMSForceLevel: forces a DPMS capable display into the

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, DPMSModeSuspend, or DPMSModeOff was specified.

BadMatch

DPMS is disabled on the specified display.