| Platform SDK: Group Policy | 
The FreeGPOList function frees the specified GPO list.
BOOL FreeGPOList( PGROUP_POLICY_OBJECT *pGPOList );
If the function succeeds, the return value is nonzero.
If the function fails, the return value is zero. To get extended error information, call GetLastError.
  Windows NT/2000: Requires Windows 2000.
  Header: Declared in Userenv.h.
  Library: Use Userenv.lib.
  Unicode: Implemented as Unicode and ANSI versions on Windows 2000.
Group Policy Overview, Group Policy Functions, GetAppliedGPOList, GetGPOList, GROUP_POLICY_OBJECT