DirectoryServicesPermissionEntry
The  DirectoryServicesPermissionEntry class defines the smallest unit of a code access security permission set for  DirectoryServices.
                
The  Path property gets a path to an Active Directory Domain Services node to which the permissions apply.
The  PermissionAccess property gets the access levels used in creating permissions.
public DirectoryServicesPermissionEntry(DirectoryServicesPermissionAccess permissionAccess, string path)