DPMSForceLevel - Man Page
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.
See Also
DPMSCapable(3), DPMSInfo(3), DPMSGetTimeouts(3), DPMSSetTimeouts(3)