Directory Management Control Codes (Windows)

The following control codes are used with file compression and decompression.

Value	Meaning
FSCTL_GET_COMPRESSION	Obtains the compression state of a file or directory
FSCTL_SET_COMPRESSION	Sets the compression state of a file or directory.

The following control codes are used with reparse points.

Value	Meaning
FSCTL_DELETE_REPARSE_POINT	Deletes a reparse point for a file or directory.
FSCTL_GET_REPARSE_POINT	Returns reparse point data for a file or directory.
FSCTL_SET_REPARSE_POINT	Sets a reparse point on a file or directory.

Build date: 11/12/2009