[IronPython] COM Object Issue
I just discovered strange thing with COM (IP 2.0):
D:\Downloads\IronPython-2.0-Bin\IronPython-2.0>ipy.exe
-X:ExceptionDetail -X:ShowClrExceptions
IronPython 2.0 (2.0.0.0) on .NET 2.0.50727.1433
Type "help", "copyright", "credits" or "license" for more information.
>>> import System
>>> wt=System.Type.GetTypeFromProgID("Word.Application")
>>> wa=System.Activator.CreateInstance(wt)
>>> wa.Documents.Add()
>>> wa.Documents[1]
Error while invoking Item.
в Microsoft.Scripting.Com.ComRuntimeHelpers.CheckThrowException(Int32
hresult, ExcepInfo& excepInfo, UInt32 argErr, String message)
в _stub_$26##25(Closure , CallSite , DispCallable )
в Microsoft.Scripting.Actions.MatchCaller.Call1[T0,TRet](Func`3
target, CallSite site, Object[] args)
в Microsoft.Scripting.Actions.CallSite`1.UpdateAndExecute(Object[] args)
в Microsoft.Scripting.Actions.UpdateDelegates.Update1[T,T0,TRet](CallSite
site, T0 arg0)
в _stub_$25##24(Closure , CallSite , ComObject , Int32 )
в Microsoft.Scripting.Actions.MatchCaller.Call2[T0,T1,TRet](Func`4
target, CallSite site, Object[] args)
в Microsoft.Scripting.Actions.CallSite`1.UpdateAndExecute(Object[] args)
в Microsoft.Scripting.Actions.UpdateDelegates.Update2[T,T0,T1,TRet](CallSite
site, T0 arg0, T1 arg1)
в _stub_$24##23(Closure , CallSite , Object , Int32 )
в Microsoft.Scripting.Actions.MatchCaller.Call2[T0,T1,TRet](Func`4
target, CallSite site, Object[] args)
в Microsoft.Scripting.Actions.CallSite`1.UpdateAndExecute(Object[] args)
в Microsoft.Scripting.Actions.UpdateDelegates.Update2[T,T0,T1,TRet](CallSite
site, T0 arg0, T1 arg1)
в $23##22(Closure , Scope , LanguageContext )
в
Microsoft.Scripting.Runtime.OptimizedScriptCode.InvokeTarget(LambdaExpression
code, Scope scope)
в Microsoft.Scripting.ScriptCode.Run(Scope scope)
в
IronPython.Hosting.PythonCommandLine.<>c__DisplayClass1.b__0()
StandardError: Error while invoking Item.
CLR Exception:
TargetParameterCountException
:
Error while invoking Item.
>>> wa.Documents[None,1]
>>> wa.Documents[1,1]
It looks like IP's wa.Documents indexer make wrong call of .Item.
-- Zaur
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Re: [IronPython] COM Object Issue
What will happen with the item-like access to COM objects in IP 2.0?
Whether it will return to []-like access (as in RC 1) or it will
remain .Item(...)?
IMHO RC 1 way is more preferred.
Best regards,
Zaur
2008/10/27 Dino Viehland <[EMAIL PROTECTED]>:
> Oh, and I'm not sure if this is by design or not (I'll need to ping the DLR
> team), but it seems you can do:
>
> wd.Variables.Item('foo')
>
> instead.
>
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Dino Viehland
> Sent: Monday, October 27, 2008 7:44 AM
> To: Discussion of IronPython
> Subject: Re: [IronPython] COM Object Issue
>
> Is the exception you're seeing "Error while invoking Item"? Just want to
> make sure I'm seeing the same thing and the actual exception is cut off in
> your snippet below.
>
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Zaur
> Shibzoukhov
> Sent: Monday, October 27, 2008 12:51 AM
> To: users@lists.ironpython.com
> Subject: [IronPython] COM Object Issue
>
> There is an error in RC 1:
>
> IronPython 2.0 (2.0.0.0) on .NET 2.0.50727.1433
> Type "help", "copyright", "credits" or "license" for more information.
>>>> import System
>>>> wa =
>>>> System.Activator.CreateInstance(System.Type.GetTypeFromProgID("Word.Application"))
>>>> wd = wa.Documents.Add()
>>>> wd.Variables.Add("foo")
>
>>>> wd.Variables["foo"]
> Traceback (most recent call last):
> File "", line 1, in
>
> In IronPython Beta 5 it worked as expected:
>
> IronPython 2.0 Beta (2.0.0.5000) on .NET 2.0.50727.1433
> Type "help", "copyright", "credits" or "license" for more information.
>>>> import System
>>>> wa =
>>>> System.Activator.CreateInstance(System.Type.GetTypeFromProgID("Word.Application"))
>>>> wd = wa.Documents.Add()
>>>> wd.Variables.Add("foo")
>
>>>> wd.Variables["foo"]
>
>
> Best regards,
> Zaur
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[IronPython] COM Object Issue
There is an error in RC 1:
IronPython 2.0 (2.0.0.0) on .NET 2.0.50727.1433
Type "help", "copyright", "credits" or "license" for more information.
>>> import System
>>> wa =
>>> System.Activator.CreateInstance(System.Type.GetTypeFromProgID("Word.Application"))
>>> wd = wa.Documents.Add()
>>> wd.Variables.Add("foo")
>>> wd.Variables["foo"]
Traceback (most recent call last):
File "", line 1, in
In IronPython Beta 5 it worked as expected:
IronPython 2.0 Beta (2.0.0.5000) on .NET 2.0.50727.1433
Type "help", "copyright", "credits" or "license" for more information.
>>> import System
>>> wa =
>>> System.Activator.CreateInstance(System.Type.GetTypeFromProgID("Word.Application"))
>>> wd = wa.Documents.Add()
>>> wd.Variables.Add("foo")
>>> wd.Variables["foo"]
Best regards,
Zaur
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