// ntddcdrm.h

// CTL_CODE(0x0002, 0x00d, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_CDROM_GET_CONTROL 0x00024034
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Windows Driver Kit DDI reference (ni-ntddcdrm-ioctl_cdrom_get_control)

IOCTL_CDROM_GET_CONTROL IOCTL

Description

This IOCTL request is obsolete. Do not use.

Determines the current audio playback mode.

Parameters

Major code

Input buffer

None.

Input buffer length

None.

Output buffer

The driver returns the CDROM_AUDIO_CONTROL data in the buffer at Irp->AssociatedIrp.SystemBuffer.

Output buffer length

Parameters.DeviceIoControl.OutputBufferLength in the I/O stack location indicates the size, in bytes, of the buffer, which must be >= sizeof(CDROM_AUDIO_CONTROL).

Input/output buffer

Input/output buffer length

Status block

The Information field is set to the number of bytes returned. The Status field is set to STATUS_SUCCESS, or possibly to STATUS_BUFFER_TOO_SMALL, STATUS_DEVICE_NOT_READY, STATUS_IO_DEVICE_ERROR, STATUS_IO_TIMEOUT, STATUS_INSUFFICIENT_RESOURCES, STATUS_VERIFY_REQUIRED, or STATUS_INVALID_DEVICE_REQUEST.

IOCTL_CDROM_GET_CONTROL - NtDoc