It could be that
http://doc.trolltech.com/4.5/activeqt-dumpcpp.htmlprovides it.
I just know that there is such tool integrated into lcc-win32, which generated those information from a type library.
However you probably may have to write something yourself.
and according to this
http://stackoverflow.com/questions/1162933/create-header-file-from-com-tlbYou can use the ole/com viewer for saving header files.
Regards
Friedrich