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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>There is actually a bug in IronPython. In the case of overloaded
properties IronPython doesn’t handle the overloads and exposes only the
property which was retrieved last via the reflection. In some cases it may be
the parameter-less property, in some cases it may be the indexer, depending on
the compiler/metadata etc.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>In your case, the property returning an array of Costume is not
accessible via IronPython at all and the only workaround is to rename the
property in VB and avoid the conflict.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Martin<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> users-bounces@lists.ironpython.com
[mailto:users-bounces@lists.ironpython.com] <b>On Behalf Of </b>Rob Ashton<br>
<b>Sent:</b> Tuesday, September 26, 2006 8:02 AM<br>
<b>To:</b> users@lists.ironpython.com<br>
<b>Subject:</b> [IronPython] Overloaded Properties<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Apologies
if this one seems obvious, I’m not a python programmer </span><span lang=EN-GB
style='font-size:10.0pt;font-family:Wingdings'>J</span><span lang=EN-GB
style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I’ve
embedded the PythonEngine into a Visual Basic application that I’ve been
writing on and off for the past few months, and one of the nice things that
Visual Basic has over C# is of course multiple indexed properties and all the
gubbins that come with it.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>So,
I’ve got these two properties:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:10.0pt;font-family:Consolas'> <span
style='color:green'>''' </span><span style='color:gray'><summary><o:p></o:p></span></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:10.0pt;font-family:Consolas'> <span
style='color:green'>''' Costumes that the Engine has access to<o:p></o:p></span></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:10.0pt;font-family:Consolas'> <span
style='color:green'>''' </span><span style='color:gray'></summary><o:p></o:p></span></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:Consolas'>
<span style='color:blue'>Public</span> <span style='color:blue'>ReadOnly</span>
<span style='color:blue'>Property</span> Costumes() <span style='color:blue'>As</span>
Costume()<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:Consolas'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:Consolas'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:Consolas'>And<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:Consolas'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:10.0pt;font-family:Consolas'> <span
style='color:green'>''' </span><span style='color:gray'><summary><o:p></o:p></span></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:10.0pt;font-family:Consolas'> <span
style='color:green'>''' Gets a Costume By Resource Name<o:p></o:p></span></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:10.0pt;font-family:Consolas'> <span
style='color:green'>''' </span><span style='color:gray'></summary><o:p></o:p></span></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:Consolas'>
<span style='color:blue'>Public</span> <span style='color:blue'>ReadOnly</span>
<span style='color:blue'>Property</span> Costumes(<span style='color:blue'>ByVal</span>
name <span style='color:blue'>As</span> <span style='color:blue'>String</span>)
<span style='color:blue'>As</span> Costume<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:Consolas'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:Consolas'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:Consolas'>When
writing Python in my Scripting window, I can access the indexed property easily
enough with the following Python. ( Engine is the global variable which exposes
the entire object model within this application )<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:Consolas'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Engine.Resources.Costumes["f_stunt_burn"]<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Now.
How do I access the plain good ol’ Array of costumes so I can run some batch
testing scripts which was the whole purpose of throwing IronPython into this
application?<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I
want to do something like:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>for
costume in Engine.Resources.Costumes:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'> print
costume.GameName<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>for
example, but of course it think’s I’m trying to access the indexed property and
gets very confused!<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I
looked at some earlier list postings which talked about using [type] as a way
of specifying when calling methods, but other than that I’ve been Googling for
over an hour and have found nothing.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Am
I going to have to move that property into a function called GetCostumes() to
make this work? </span><span lang=EN-GB style='font-size:10.0pt;font-family:
Wingdings'>J</span><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>-
Rob<o:p></o:p></span></p>
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