FILE_ZERO_DATA_INFORMATION

[This is preliminary documentation and subject to change.]

The FILE_ZERO_DATA_INFORMATION structure is used with the FSCTL_SET_ZERO_DATA operation to indicate a range of a file to set to zeroes.

typedef struct _FILE_ZERO_DATA_INFORMATION {
    LARGE_INTEGER FileOffset;
    LARGE_INTEGER BeyondFinalZero;
} FILE_ZERO_DATA_INFORMATION;
 

Members

FileOffset

Indicates the file offset, in bytes, of the start of the range to set to zeroes.

BeyondFinalZero

Indicates the byte offset of the first byte beyond the last zeroed byte.

QuickInfo

  Windows NT: Requires version 5.0 or later.
  Windows: Unsupported.
  Windows CE: Unsupported.
  Header: Declared in winioctl.h.

See Also

Device Input and Output Overview, Device Input and Output Structures, FSCTL_SET_ZERO_DATA, Sparse Files