FSCTL_QUERY_ON_DISK_VOLUME_INFO IOCTL

Description

Requests UDF-specific volume information.

To perform this operation, call the DeviceIoControl function with the following parameters.

BOOL DeviceIoControl(
  (HANDLE) hDevice,                 // handle to device
  FSCTL_QUERY_ON_DISK_VOLUME_INFO,  // dwIoControlCode
  NULL,                             // input buffer
  0,                                // size of input buffer
  (LPVOID) lpOutBuffer,             // output buffer
  (DWORD) nOutBufferSize,           // size of output buffer
  (LPDWORD) lpBytesReturned,        // number of bytes returned
  (LPOVERLAPPED) lpOverlapped       // OVERLAPPED structure
);

Parameters

Input buffer

Input buffer length

Output buffer

Output buffer length

Input/output buffer

Input/output buffer length

Status block

Irp->IoStatus.Status is set to STATUS_SUCCESS if the request is successful.

Otherwise, Status to the appropriate error condition as a NTSTATUS code.

For more information, see NTSTATUS Values.

Remarks

In Windows 8 and Windows Server 2012, this code is supported by the following technologies.

See also

• DeviceIoControl
• FILE_QUERY_ON_DISK_VOL_INFO_BUFFER
• File Management Control Codes