IOCTL_CDROM_GET_CONTROL IOCTL (ntddcdrm.h)
This IOCTL request is obsolete. Do not use.
Determines the current audio playback mode.
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).
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.
Requirements
| Requirement | Value |
|---|---|
| Header | ntddcdrm.h (include Ntddcdrm.h) |