The ChangeSecurityPermissions method changes the security permissions for the logical file specified in the object path. ...

The ChangeSecurityPermissions method changes the security permissions for the logical file specified in the object path. If the logical file is actually a directory, then ChangeSecurityPermissions will act recursively, changing the security permissions of all the files and sub-directories the directory contains. ChangeSecurityPermissions returns an integer value of 0 if the permissions were changed, and any other number to indicate an error.
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.

The change you just made resulted in an access control list that exceeds the maximum size. You must remove approximately ... The changes to the spool folder will occur immediately and any currently active documents will not print. It is recommended ... The changes were applied but may not be available immediately. You may need to refresh the page for the changes to reliably ... The changes were applied but may not be available immediately: {0}. You may need to refresh the page for the changes to reliably ... The ChangeSecurityPermissions method changes the security permissions for the logical file specified in the object path. ... The ChangeSecurityPermissionsEx method changes the security permissions for the logical file specified in the object path. ... The ChangeStartMode method modifies the StartMode of a service. It returns one of the following integer values: 0 - The request ... The character length ({1}) of the argument is too short. Specify an argument with a length that is greater than or equal ... The character length of the {1} argument is too long. Shorten the character length of the argument so it is fewer than or ...