DPMSForceLevel(3)

Usage

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

Overview

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.

Releases

10 releases since Debian 5.0 (Lenny); the text changed 5 times.