[IronPython] PreferComDispatch - Odd Behaviour

Davy Mitchell daftspaniel at gmail.com
Mon Apr 14 12:55:07 PDT 2008


Thanks for the response Shri.

Sounds like the default interface should be fine. The 'real' objects I want
to introspect are COM dll's intended for ASP so shouldn't hit this issue.

Thanks,
Davy Mitchell

On Mon, Apr 14, 2008 at 8:28 PM, Shri Borde <Shri.Borde at microsoft.com>
wrote:

>  We infer that the object implements IWshShell3 which declared the
> CurrentDirectory property. From the TLB info, we know about CurrentDirectory
> right away. However, SpecialFolders is declared on the base interface
> IWhsShell. Looks like we just need to walk up the class hierarchy. We
> currently don't do this. I have opened
> http://www.codeplex.com/IronPython/WorkItem/View.aspx?WorkItemId=16107 to
> track this.
>
>
>
> SpecialFolders does appear when you use it because we use
> IDispatch.GetIDsOfNames on it, and it is there ofcourse.
>
>
>
> Thanks,
>
> Shri
>
> Want to work on IronPython, IronRuby, F#<http://blogs.msdn.com/ironpython/archive/2008/02/25/ironpython-ironruby-and-f-openings-in-dev-test-and-pm.aspx>?
> Visit http://blogs.msdn.com/ironpython/
>
>
>
> *From:* users-bounces at lists.ironpython.com [mailto:
> users-bounces at lists.ironpython.com] *On Behalf Of *Davy Mitchell
> *Sent:* Saturday, April 12, 2008 11:53 PM
> *To:* Discussion of IronPython
> *Subject:* [IronPython] PreferComDispatch - Odd Behaviour
>
>
>
> IP2.0.0.1000
> from System import Type, Activator
> wb = Activator.CreateInstance(Type.GetTypeFromProgID("WScript.Shell"))
> print dir(wb)
> print wb.CurrentDirectory()
> print wb.SpecialFolders("Desktop")
> print dir(wb)
>
> The first dir of wb is missing a method which appears as soon as a call is
> made to it.
> Interestingly CurrentDirectory is listed in the first dir without being
> called.
>
> ['CreateObjRef', 'CurrentDirectory', 'Equals', 'Exec', 'Finalize',
> 'GetAttrNames
> ', 'GetHashCode', 'GetLifetimeService', 'GetMemberNames', 'GetType',
> 'Initialize
> LifetimeService', 'MemberwiseClone', 'ReferenceEquals', 'ToString',
> '__class__',
>  '__delattr__', '__doc__', '__getattribute__', '__hash__', '__init__',
> '__new__'
> , '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__str__']
> c:\code\comtry
> c:\users\daftspaniel\desktop
> ['CreateObjRef', 'CurrentDirectory', 'Equals', 'Exec', 'Finalize',
> 'GetAttrNames
> ', 'GetHashCode', 'GetLifetimeService', 'GetMemberNames', 'GetType',
> 'Initialize
> LifetimeService', 'MemberwiseClone', 'ReferenceEquals', '*SpecialFolders*',
> 'ToStr
> ing', '__class__', '__delattr__', '__doc__', '__getattribute__',
> '__hash__', '__
> init__', '__new__', '__reduce__', '__reduce_ex__', '__repr__',
> '__setattr__', '_
> _str__']
>
> Thanks,
> Davy Mitchell
>
> --
> Davy Mitchell
> Blog - http://www.latedecember.co.uk/sites/personal/davy/
> Twitter - http://twitter.com/daftspaniel
> Skype - daftspaniel http://needgod.com
>
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>


-- 
Davy Mitchell
Blog - http://www.latedecember.co.uk/sites/personal/davy/
Twitter - http://twitter.com/daftspaniel
Skype - daftspaniel http://needgod.com
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