IOCTL_VIDEO_RESTORE_HARDWARE_STATE IOCTL

Restores all values used to set the hardware registers. Miniport drivers for VGA-compatible adapters are required to support this nonmodal request; optional for other miniport drivers.

Major Code

IRP_MJ_DEVICE_CONTROL

Input Buffer

The VRP InputBuffer contains the previously-saved VIDEO_HARDWARE_STATE structure.

Output Buffer

None

Status Block

The miniport driver does not set the Information member of the STATUS_BLOCK structure.

Requirements

   
Header ntddvdeo.h