Hi Mark,
On 05.11.2011 16:38, Mark Miesfeld wrote:
> On Sat, Nov 5, 2011 at 6:08 AM, Rony G. Flatscher
> <rony.flatsc...@wu-wien.ac.at
> <mailto:rony.flatsc...@wu-wien.ac.at>> wrote:
>
> In a lecture about introducing ooRexx and interfacing with Windows, I
> have been forced to use
> ooRexx
> 3.2, because it allows one to embed ooRexx code in HTML files that get
> processed by the MS
> Internet
> Explorer ("DHTML").
> ...
>
> As nowadays more and more Windows computers are rolled out with Windows
> 7, it becomes a serious
> problem, if ooRexx 3.2 cannot be used in a stable manner, because MSIE
> breaks-down, after
> processing
> an event with ooRexx code (upon return from the ooRexx routine)!
>
> For that reason I am searching for advice: is it possible, and if so, how
> to configure the ooRexx
> 3.2 installation on Windows 7 such, that ooRexx programs can be carried
> out in a stable manner
> under
>
>
> Rony, I was using 3.2.0 on Windows just the other day and I didn't see any
> problems.
>
> If I understand you correctly, it is when you use WSH, that you see problems
> and that it is
> Internet Explorer that crashes. If that is not correct, then ... well
> explain to me what I'm not
> understanding. <grin>
>
> The whole, entire, reason that WSH is disabled in ooRexx 4.0.0 and on is that
> it was implemented
> using undocumented kernel entries that are /completely unsafe/. Rick would
> not release 4.0.0 with
> a feature, WSH, that he knew was unsafe and was likely to crash. That WSH is
> not stable and
> causes Internet Explorer in Windows 7 to crash, is not a surprise. It is
> predictable.
>
> From what I saw in the code, WSH was not written in a generic way, it was
> written in a reactive
> way. It was written in an approach that said, 'oh, Internet Explorer sends a
> 0x7 here sometimes.
> We'll check for a 0x7 and then do this...' As soon as Internet explorer
> changes, that code would
> break.
Well, do you think that that has happened for ooRexx 3.2 on Windows 7?
If so, I would be forced to stop using ooRexx for teaching ActiveX (WSH, WSF,
WSC, MSIE-programming,
ASP-/IIS-programming, etc.), as ooRexx 4.x does not support that fundamental
and important
infrastructure on Windows (yet? ever?), and ooRexx 3.2 cannot do it anymore on
Windows 7.
This would be really a pity, but nothing I could help, unfortunately.
---rony
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