vc MFC获得uuid或GUID

CStringCTestGetUUIDDlg::newGUID(){CStringbuf;GUIDguid;if(S_OK==::CoCreateGuid(&guid)){buf.Format(_T("{X-X-x-XX-XXXXXX}"),guid.Data1,guid.Data2,guid.Data3,guid.Data4[0],guid.Data4[1],guid.Data4[2],guid.Data4[3],guid.