out parameters in Python and COM

[Henk]

It works, thanks Stefan!!!

On Mon, 21 Oct 2002 13:18:12 +0100, Stefan Schukat
<SSchukat at dspace.de> wrote:

>You should use the makepy generated wrapper. The dynamic dispatch
>does not support out parameters. 
>
>So following should work:
>
>from win32com.client.gencache import EnsureDispatch
> 
>atm = EnsureDispatch("ATM.Shell")
>b4 = atm.LogOn("Administrator", "EHSW", "Python")
> 
> 
>HEMgr = atm.ATMHeadEndManager
>HEMgr.SetCodeTable("BS","ES","EE")
>Ret, a, b, c = HEMgr.GetCodeTable("","","")
>
>
>	Stefan
>
>> -----Original Message-----
>> From: Henk at relay.trans-it.de [mailto:Henk at relay.trans-it.de]
>> Sent: Monday, October 21, 2002 10:36 AM
>> To: python-list at python.org
>> Subject: out parameters in Python and COM
>> 
>> 
>> Hi,
>> 
>> Code snippet at the end of the post.
>> 
>> I have an exe which exposes some functionality through an IDispatch
>> interface. The GetCodeTable-method has 4 parameters:
>> first 3 are [out] BSTR*
>> last one [out,retval] long *
>> 
>> When debugging my exe using Python I always get empty values for a,b
>> and c (see below) allthough they are filled in correctly inside the
>> exe (checked with a debugger).
>> 
>> Any idea what could be wrong?
>> 
>> Thanks,
>> 
>> Henk
>> 
>> import win32com.client
>> 
>> atm = win32com.client.Dispatch("ATM.Shell")
>> b4 = atm.LogOn("Administrator", "EHSW", "Python")
>> 
>> 
>> a=""
>> b=""
>> c=""
>> HEMgr = atm.ATMHeadEndManager
>> HEMgr.SetCodeTable("BS","ES","EE")
>> HEMgr.GetCodeTable(a,b,c)
>> print a
>> print b
>> print c
>> -- 
>> http://mail.python.org/mailman/listinfo/python-list
>> 
>