Lists of files that are present only in the source or destination folder, files that are non identical, and files that are identical can be retrieved after a comparison operation using the GetCompareList method. The result is provided as a FTPListItems collection that can be enumerated. The "sourceonly", "destinationonly", "nonidentical", or "identical" keywords can be used to select the appropriate list.

HRESULT GetCompareList ([in, defaultvalue("identical")] BSTR b_name, [out, retval, defaultvalue(NULL)] IDispatch **listitems_pp);  

Dim ftplist
Set ftplist = app.GetCompareList("identical")