| Platform SDK: Access Control | 
The ACL_INFORMATION_CLASS enumeration type contains values that specify the type of information being assigned to or retrieved from an access-control list (ACL).
typedef enum _ACL_INFORMATION_CLASS { 
  AclRevisionInformation = 1, 
  AclSizeInformation 
} ACL_INFORMATION_CLASS; 
| Enumerator Value | Meaning | 
|---|---|
| AclRevisionInformation | Indicates ACL revision information. | 
| AclSizeInformation | Indicates ACL size information. | 
  Windows NT/2000: Requires Windows NT 3.1 or later.
  Header: Declared in Winnt.h; include Windows.h.
Access Control Overview, Access Control Enumeration Types, ACL, ACL_REVISION_INFORMATION, ACL_SIZE_INFORMATION, GetAclInformation, SetAclInformation