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VIDEO_NUM_MODES structure (ntddvdeo.h)

  • Article

The VIDEO_NUM_MODES structure contains the number of modes supported by a video adapter, and the size of the structure that describes each mode.

Syntax

typedef struct _VIDEO_NUM_MODES {
  ULONG NumModes;
  ULONG ModeInformationLength;
} VIDEO_NUM_MODES, *PVIDEO_NUM_MODES;

Members

NumModes

Specifies the number of modes supported by the device.

ModeInformationLength

Is the length, in bytes, of the VIDEO_MODE_INFORMATION structure that describes each of the modes supported by the device.

Remarks

The miniport driver returns a VIDEO_NUM_MODES structure in response to an IOCTL_VIDEO_QUERY_NUM_AVAIL_MODES request.

Requirements

Requirement Value
Header ntddvdeo.h (include Ntddvdeo.h)

See also

IOCTL_VIDEO_QUERY_NUM_AVAIL_MODES

VIDEO_MODE_INFORMATION