LoadRegTypeLib

HRESULT LoadRegTypeLib(
  REFGUID  rguid,             
  unsigned short  wVerMajor, 
  unsigned short  wVerMinor,(一般默认为0) 
  LCID  lcid,      (一般默认为0)            
  ITypeLib FAR* FAR*  pptlib  
);
参数
rguid :类型库ID
wVerMajor:主版本号
wVerMinor:副版本号
lcid :语言代码
pptlib:指向类型库的指针的指针

返回值:
   返回一个句柄.
   该句柄的值如下:
S_OK Success.
E_OUTOFMEMORY Out of memory.
E_INVALIDARG One or more of the arguments is invalid.
TYPE_E_IOERROR The function could not read from the file.
TYPE_E_INVALIDSTATE The type library could not be opened.
TYPE_E_INVDATAREAD The function could not read from the file.
TYPE_E_UNSUPFORMAT The type library has an older format.
TYPE_E_UNKNOWNLCID The passed in LCID could not be found in the OLE-supported DLLs.
TYPE_E_CANTLOADLIBRARY The type library or DLL could not be loaded.
Other return codes All FACILITY_STORAGE and system registry errors can also be returned