Mark McMahon wrote:
>  Hi,
>  
>  I gave a very simple test of comtypes with Passolo (www.passolo.com) and (I think) it didn
't work at all.
>  
>  E.g.
>  
> >>> import comtypes.client
> >>> comtypes.client.Dispatch
>  Traceback (most recent call last):
>    File "<stdin>", line 1, in ?
>  AttributeError: 'module' object has no attribute 'Dispatch'
> >>> comtypes.client.CreateObject("Passolo.UnicodeApplication")
>  Traceback (most recent call last):
>    File "<stdin>", line 1, in ?
>    File "C:\.tools\Python242\Lib\site-packages\comtypes\client\__init__.py", line 514, in C
reateObject
>      obj = comtypes.CoCreateInstance(clsid, clsctx=clsctx, interface=interface)
>    File "C:\.tools\Python242\Lib\site-packages\comtypes\__init__.py", line 809, in CoCreate
Instance
>      _ole32.CoCreateInstance(byref(clsid), punkouter, clsctx, byref(iid), byref(p))
>  WindowsError: [Errno -2147467262] No such interface supported
>  
>  It could be that I have no idea what I am doing (well that's for sure!)
>  

This is how it should work.
Does this object work in pywin32?  Do other COM objects work, for example this:

c:\sf\ctypes_release> py24
Python 2.4.2 (#67, Sep 28 2005, 12:41:11) [MSC v.1310 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
> >> from comtypes.client import *
> >> ie = CreateObject("InternetExplorer.Application")
# Generating comtypes.gen._EAB22AC0_30C1_11CF_A7EB_0000C05BAE0B_0_1_1
# Generating comtypes.gen.SHDocVw
> >> print ie
<POINTER(IWebBrowser2) object c6c710> 
> >> ie.Visible = True
> >>

>  I then stumbled on
>  comtypes.client.GetModule(r"c:\program files\passolo 5\psl_u.exe")
>  
>  And ended up with a comtypes.gen.PassoloU.
>  
>  But I didn't know how to create a running instance from that, and I didn't really make any
 further progress then that.

In principle the idea was (although it does *not* seem to work in comtypes 0.2)
that CreateObject would also accept coclasses from the generated file as argument.
You have to look into the generated files (or use Pythons help) to figure them out.
For the IE code above, this would have to be spelled:

> >> from comtypes.gen import SHDocVw
> >> help(SHDocVw.WebBrowser)
Help on class WebBrowser in module comtypes.gen._EAB22AC0_30C1_11CF_A7EB_0000C05BAE0B_0_1_1:

class WebBrowser(comtypes.CoClass)
 |  WebBrowser Control
 |
 |  Method resolution order:
 |      WebBrowser
 |      comtypes.CoClass
 |      comtypes._comobject.COMObject
 |      __builtin__.object
 |
[...]
> >> ie = CreateObject(SHDocWv.WebBrowser) # doesn't work correctly (comtypes bug)


>  Not sure if this is a known limitation in comtypes or I am just not using it correctly?


Thomas



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