The UncompressEx method uncompresses the logical file (or directory) specified in the object path. UncompressEx returns an ...

The UncompressEx method uncompresses the logical file (or directory) specified in the object path. UncompressEx returns an integer value of 0 if the file was successfully decompressed, and any other number to indicate an error. UncompressEx is an extended version of the Uncompress method.
It returns one of the following integer values:
0 - The request was successful.
2 - Access was denied.
8 - An unspecified failure occurred.
9 - The name specified was invalid.
10 - The object specified already exists.
11 - The file system is not NTFS.
12 - The platform is not Windows NT or Windows 2000.
13 - The drive is not the same.
14 - The directory is not empty.
15 - There has been a sharing violation.
16 - The start file specified was invalid.
17 - A privilege required for the operation is not held.
21 - A parameter specified is invalid.