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CDROM_PERFORMANCE_TYPE enumeration

The CDROM_PERFORMANCE_TYPE enumeration defines the read and write 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_TYPE { 
  CdromReadPerformance     = 1,
    CdromWritePerformance  = 2
} CDROM_PERFORMANCE_TYPE, *PCDROM_PERFORMANCE_TYPE;

Constants

CdromReadPerformance

Requests streaming read performance data.

CdromWritePerformance

Requests streaming write performance data.

Requirements

Header

Ntddcdrm.h (include Ntddcdrm.h)

See also

CDROM_PERFORMANCE_REQUEST
IOCTL_CDROM_GET_PERFORMANCE

 

 

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