IOCTL_VIDEO_SET_POWER_MANAGEMENT IOCTL (ntddvdeo.h)
This IOCTL is obsolete in Windows 2000 and later, and is no longer supported. A Plug and Play video miniport driver should implement the HwVidSetPowerState function, which provides similar functionality.
Resets the power-consumption level of the adapter to the specified state. As long as the state is VideoPowerOff, the port driver intercepts and fails all IOCTL_VIDEO_XXX requests to the miniport driver until the next IOCTL_VIDEO_SET_POWER_MANAGEMENT request that resets the state to a power-on condition.
Major code
Input buffer
The VRP InputBuffer contains the VIDEO_POWER_MANAGEMENT structure, specifying the state to be set.
Output buffer
None
Status block
The miniport driver does not set the Information member of the STATUS_BLOCK structure.
Requirements
| Requirement | Value |
|---|---|
| Header | ntddvdeo.h |
See also
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