Mark, 

Normally when the objects work with pointers you pass
pointers to them and they fill in the information and
you access the information when you get back from the
function.  I use Sam Rushing's membuf and cstring
functions (part of dynwin module) to define and work
with these types of objects.  Sometimes you also need
to use struct module also.  Hope this information
helps.

Larry Bates
Syscon, Inc.

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Sent: Tuesday, August 27, 2002 2:03 PM
To: [EMAIL PROTECTED]
Subject: ActivePython digest, Vol 1 #424 - 2 msgs


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Today's Topics:

   1. RE: FW: swig help with wtsapi32 (Roach, Mark R.)
   2. Create a python string from a pointer to a string? (Roach, Mark R.)

--__--__--

Message: 1
Subject: RE: FW: swig help with wtsapi32
From: "Roach, Mark R." <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Date: 27 Aug 2002 12:25:09 -0500

It would be nice if this library was usable through COM, I actually have
a third party COM object I have been using but it only supports a subset
of the api. According to MSDN I will have to wait till the ominous ".NET
Server" before I can use ADSI to access the terminal server specific
portions of user configuration.

This struct stuff is very low level and nasty but it at least seems
workable, probably more so (for me) than futzing with C headers. Thanks
everyone, for you efforts. Now I get to go dig through MSDN(blech) and
struct conversion stuff(also blech).

-Mark

On Tue, 2002-08-27 at 12:20, [EMAIL PROTECTED] wrote:
> Hi Mark 
> 
> I dont know the calldll module, neither, but one way to call the
> wtsapi32.dll is from Visual Basic. 
> There are a couple of articles on the MSDN library how to do that,e.g 
> Q292631 "HOWTO: Call WTSSetUserConfig() and WTSQueryUserConfig() from
> Visual Basic" 
> Q253140 "HOWTO: Use WTSEnumerateProcesses from Visual Basic" 
> 
> So what is the reason to use SWIG? 
> Maybe it is also possible with Python COM, but when passing structs from
> a different language to a DLL you have to take care on memory layout and
> data type representations.
> 
> Maybe it is possible to strip down the Header you initially mentionned
> so it compiles with SWIG? 
> From the tests we did with SWIG one year ago I know there are a couple
> of things that SWIG does not support 
> but sometimes it is possible to throw out all unneeded stuff and get it
> compilable. 
> 
> Peter 
> 
> > -----Original Message----- 
> > From: Roach, Mark R. [ mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
> ] 
> > Sent: Tuesday, August 27, 2002 5:38 PM 
> > To: [EMAIL PROTECTED] 
> > Subject: Re: FW: swig help with wtsapi32 
> > 
> > 
> > That looks very cool. I actually tried using LoadLibrary and 
> > GetProcAddress manually with little success. If I can just figure out 
> > how to get constants and structs out of the dll this will work 
> > beautifully. (Anyone know how to do that? If not, I'll just 
> > have to keep 
> > poking at it) Thanks very much! 
> > 
> > -Mark 
> > 
> 


--__--__--

Message: 2
Subject: Create a python string from a pointer to a string?
From: "Roach, Mark R." <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Date: 27 Aug 2002 13:24:29 -0500

Hi again everyone. It appears that a function that I am calling in
windows (wtsapi32.WTSQueryUserConfiguration) returns a _pointer_ to a
string rather than the string itself. Does anyone know if there is a
way, given the pointer, to access the string at that address?

Thanks,

Mark Roach


--__--__--

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