[jawsscripts] Re: Possible breakthrough with dynamic execution of VBScript code
- From: "Kamil" <kamilimak@xxxxxxxxxxx>
- To: <jawsscripts@xxxxxxxxxxxxx>
- Date: Mon, 10 Aug 2009 18:48:20 -0400
Hi Jamal,
Have you tried this method when JAWS is running as a service?
My experience is that when JAWS is running as a service GetObject fails.
Similarly, CreateObject fails but then CreateObjectEx with FALSE as the
second parameter works.
Could you please kindly verify these observations.
Thanks,
Kamil
----- Original Message -----
From: "Jamal Mazrui" <empower@xxxxxxxxx>
To: <jawsscripts@xxxxxxxxxxxxx>
Sent: Wednesday, September 24, 2008 5:31 PM
Subject: [jawsscripts] Possible breakthrough with dynamic execution of
VBScript code
> HomerKit now includes a technique whereby a JAWS script can execute code
> in the VBScript language (Visual Basic Scripting Edition). I have
> developed similar techniques before that involve installation of a COM
> server (e.g., for executing Perl, Python, or Boo code). A key difference
> here is that no COM server is needed! The file Homer.wsc is a Windows
> Script Component that may be used either as a COM server with CreateObject
> or as a simple file reference with GetObject.
>
> The function VBSEval in Homer.jss takes five parameters: the VBScript
> code to execute and four variant parameters that can be referenced within
> the code, which may be multiple lines. The function VBSEvalFile is
> similar except that it takes a .vbs file name as the first parameter.
> I've also added convenience functions for dealing with variants (with
> credit to Doug Lee).
>
> VBScript has a number of built-in functions that do not have an equivalent
> in the JAWS scripting language. Since it supports all variant subtypes,
> it may also be used with object models that a JAWS script cannot use
> fully, e.g., WMI related information. I have prepared a collection of
> text tutorials on VBScript and the Windows Script Host at
> http://EmpowermentZone.com/vbs56doc.zip
>
> Jamal
>
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