_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   ,
  CdromWritePerformance
} 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