// winioctl.h

typedef struct _TXFS_READ_BACKUP_INFORMATION_OUT {
  union {
    DWORD BufferLength;
    BYTE  Buffer[1];
  } DUMMYUNIONNAME;
} TXFS_READ_BACKUP_INFORMATION_OUT, *PTXFS_READ_BACKUP_INFORMATION_OUT;
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Win32 API reference (ns-winioctl-txfs_read_backup_information_out)

TXFS_READ_BACKUP_INFORMATION_OUT structure

Description

[Microsoft strongly recommends developers utilize alternative means to achieve your application’s needs. Many scenarios that TxF was developed for can be achieved through simpler and more readily available techniques. Furthermore, TxF may not be available in future versions of Microsoft Windows. For more information, and alternatives to TxF, please see Alternatives to using Transactional NTFS.]

Contains a Transactional NTFS (TxF) specific structure. This information should only be used when calling TXFS_WRITE_BACKUP_INFORMATION.

Members

`DUMMYUNIONNAME`

`DUMMYUNIONNAME.BufferLength`

If the buffer is not large enough, this member receives the required buffer size.

`DUMMYUNIONNAME.Buffer`

The buffer for the data.

TXFS_READ_BACKUP_INFORMATION_OUT - NtDoc