CDROM_PERFORMANCE_REQUEST_TYPE enumeration

The CDROM_PERFORMANCE_REQUEST_TYPE enumeration defines the types of performance data requests. It is a member of the CDROM_PERFORMANCE_REQUEST structure, which is used as an input parameter to the IOCTL_CDROM_GET_PERFORMANCE I/O control request.

Syntax


typedef enum _CDROM_PERFORMANCE_REQUEST_TYPE { 
  CdromPerformanceRequest   = 1,
   CdromWriteSpeedRequest   = 2
} CDROM_PERFORMANCE_REQUEST_TYPE, *PCDROM_PERFORMANCE_REQUEST_TYPE;

Constants

CdromPerformanceRequest

Requests streaming performance data.

CdromWriteSpeedRequest

Requests the write speed descriptor.

Requirements

Header

Ntddcdrm.h (include Ntddcdrm.h)

See also

CDROM_PERFORMANCE_REQUEST
IOCTL_CDROM_GET_PERFORMANCE

 

 

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