DPMSForceLevel (3)
Leading comments
Copyright \(co Digital Equipment Corporation, 1996 Permission to use, copy, modify, distribute, and sell this documentation for any purpose is hereby granted without fee, provided that the above copyright notice and this permission notice appear in all copies. Digital Equipment Corporation makes no representations about the suitability for any purpose of the information in this document. This documentation is provided ``as is'' without express or implied warranty. Copyright (c) 1999, 2005...
NAME
DPMSForceLevel - forces a DPMS capable display into the specified power levelSYNOPSIS
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.