IOCTL_CHANGER_GET_PRODUCT_DATA IOCTL (ntddchgr.h)

Returns product data for the device.

Major code

IRP_MJ_DEVICE_CONTROL

Input buffer

None.

Input buffer length

None.

Output buffer

The driver returns the CHANGER_PRODUCT_DATA 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 parameter buffer, which must be >= sizeof(CHANGER_PRODUCT_DATA).

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_INFO_LENGTH_MISMATCH.

Requirements

Requirement Value
Header ntddchgr.h (include Ntddchgr.h)

See also

CHANGER_PRODUCT_DATA

ChangerGetProductData