| Platform SDK: Group Policy | 
The CreateGPOLink function creates a link between the specified GPO and the specified site, domain, or organizational unit.
HRESULT CreateGPOLink( LPOLESTR lpGPO, LPOLESTR lpContainer, BOOL fHighPriority );
If the function succeeds, the return value is S_OK. Otherwise, the function returns one of the COM error codes defined in the Platform SDK header file WinError.h.
  Windows NT/2000: Requires Windows 2000.
  Header: Declared in Gpedit.h.
  Library: Use Userenv.lib.
Group Policy Overview, Group Policy Functions, DeleteGPOLink