DWORD WriteRegistryData( LPTSTR pEntryNode,
                         LPTSTR pEntryName,
                         DWORD  Type,
                         LPBYTE pData,
                         DWORD  Size );

DWORD ReadRegistryData( LPTSTR pEntryNode,
                        LPTSTR pEntryName,
                        PDWORD pType,
                        LPBYTE pData,
                        DWORD  DataSize );