The first number is a combination of VARENUM values (pythoncom.VT_*) indicating
the type,
and the second is from PARAMFLAGS (pythoncom.PARAMFLAG_*).
(24584, 3) is (VT_ARRAY|VT_BYREF|VT_BSTR, PARAMFLAG_FIN|PARAMFLAG_FOUT)
(24588, 3) is (VT_ARRAY|VT_BYREF|VT_VARIANT, PARAMFLAG_FIN|PARAMFLAG_FOUT)
We are having occasional difficulties when we need to pass an argument
in-and-out of a COM method that we are calling in Python. There is some magic
in makepy that normally handles this for us but occasionally it fails because
it somehow reads the typelib incorrectly and misunderstands the data
