I'd seen the article (brings back some fond memories !), but concluded
this wasn't the cause, since the behavior is also observed under Windows
2000, which the article says is not affected. Thanks, anyhow.

-Rob

Automatic digest processor wrote:
>[...]
> Date: Thu, 7 Nov 2002 15:01:24 -0000
> From: Kenn Humborg <kennBLUETREE.IE>
> Subject: Re: Anyone using CodeSite for tracing MTA threads ?
>
>
>>Hi folks,
>>
>>An organization I'm working with is using a product called CodeSite for
>>trace/logging, made by Raize Software (www.raize.com), apparently made
>>for use with Delphi and C++ Builder, etc. The organization also has
>>wrappers enabling this product to be used with VB6 and VC6.
>>
>>The difficulty I'm facing is this - COM MTA threads which use CodeSite
>>seem to cause DDE to be blocked. We all know STA threads must service a
>>message pump, but this is not the case with threads in the MTA. We all
>>know what the telltale symptom is of an STA thread which isn't servicing
>>a message pump: clicking on a Word doc in Explorer hangs for a while.
>>This is the symptom I'm seeing. However, the service in question has
>>*no* STA threads - they all run in the MTA.
>>
>>The environment is VC6sp5, NT4sp6 / Win2kprof, so that nasty bug in DCOM
>>for Win'9x should not be a problem.
>>
>>We've been able to determine that disabling the trace functionality
>>removes the problem - no CodeSite, no DDE lockup. So, my question is
>>this: has anyone ever used this product for tracing within MTA threads ?
>
>
> Have you read this article?
>
> http://support.microsoft.com/default.aspx?scid=kb;en-us;Q189427
>
> Perhaps CodeSite is calling one of the automation API functions that
> causes this hidden window to be created.
>
> Later,
> Kenn

--
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San Jose, CA, USA
Alternate email addresses:    rhyangrhysw.com
                               rhyangalumni.carnegiemellon.edu
                               rhyangcomputer.org
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