This reminds me of a problem encountered years ago: this was the case with
an MBX calling an Access form via DDE; the form was presented but if control
was not returned to the MBX (that is, if the user had not closed the form)
after a few seconds, a DDE timeout error was raised.
This was solved by setting the variable DDETimeout in the registry to an
appropriate value (default is 30 seconds); this is documented in the MB help
(search for DDE Timeout setting); hereby an extract:
QUOTE
Modifying the Windows Registry
If you are using the 32-bit version of MapInfo Professional (the version
designed for Windows 95 or Windows NT), MapInfo stores system settings in
the Windows registry. To edit the Windows 95 registry, use the REGEDIT
program. To edit the Windows NT registry, use the REGEDT32 program. Be very
careful when editing the registry; damaging the registry can cause serious
problems in your operating system.
For example, to set MapInfo's DDE time-out setting, locate the following key
in the registry:
HKEY_LOCAL_MACHINE\SOFTWARE\MapInfo\MapInfo\Common
Within that key, edit the DDETimeout value. If there is no value by that
name, create a new value of type string (REG_SZ), and assign the name
DDETimeout to the value. Set the value's data to be a number, representing
the number of milliseconds (e.g. enter 30000 to specify a time-out of 30,000
milliseconds, or 30 seconds).
UNQUOTE
Hope this helps
Pierre Henrotay
Siemens Business Services
Major Projects
Tel.: +32 81 559 687
Fax: +32 81 559 658
Mob: +32 477 69 93 19
Mail (office): [EMAIL PROTECTED]
Mail (home): [EMAIL PROTECTED]
> -----Original Message-----
> From: Jacques Paris [SMTP:[EMAIL PROTECTED]]
> Sent: Thursday, January 13, 2000 8:14 PM
> To: [EMAIL PROTECTED]
> Subject: MI DDE time out
>
> We encountered on one application (MBX + VB) a DDE time out error in the
> following setup : Windows95, MI4.5/5.5
>
> This would occur after some "activity" with other programs, like office.
> The
> only way we found out for getting rid of it would be to restart Windows.
>
> It does not seem to be MapInfo fault, but Windows. Ex.: starting with a
> "cold" machine, running the application, no problem. Opening and working
> with Word, running the application, DDE time out.
>
> Could anyone confirm that trouble/remedy? Would it also happen with
> Windows98, NT ...?
>
> Jacques Paris
>
> e-mail alternate
> [EMAIL PROTECTED] [EMAIL PROTECTED]
>
> paris PC Consult (mainly MapInfo app.)
> www.total.net/~rparis/gisproducts.htm
>
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