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.