| Platform SDK: Group Policy | 
Retrieves the display name for the GPO.
HRESULT GetDisplayName( LPOLESTR pszName, int cchMaxLength );
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.
Group Policy Overview, Group Policy Interfaces, IGPEInformation