IOCTL_VIDEO_QUERY_CURRENT_MODE IOCTL

Returns information about the current adapter mode. Miniport drivers are required to support this modal request.

Major Code

IRP_MJ_DEVICE_CONTROL

Input Buffer

None

Output Buffer

The miniport driver returns the mode information in a VIDEO_MODE_INFORMATION structure in the VRP OutputBuffer.

Status Block

If the miniport driver successfully returns the mode data, it sets the Information member of the STATUS_BLOCK structure to sizeof(VIDEO_MODE_INFORMATION); otherwise, the miniport driver sets this member to zero.

Requirements

   
Header ntddvdeo.h

See Also

STATUS_BLOCK

VIDEO_MODE_INFORMATION