You would need to write your own ExePackage that ran the EXE that did the
relevant calling and waited around for child processes.  If an error does
occur, you'll need to return a non-zero exit code as that's how Burn
determines whether a package succeeded or not.

If the exe you're currently calling is just a simple unzipper, then could
it be easier to just include the unzipped packages in your bundle and run
the installer directly?  Additional files can be included for a package
with Payload elements inside the ExePackage element.

Nicholas

On 5 June 2013 14:29, Wesley Manning <wmann...@dynagen.ca> wrote:

> Actually burn wouldn't be able to do that anyways because it has to know
> if the installer failed so it can rollback the changes.  Unless the package
> is not vital in which case you specify Vital="no".  Burn expects an
> exitcode (exitcode element) from exe to indicate success/failure.   I never
> used exepackage so maybe others can help.
>
> -----Original Message-----
> From: Benjamin Mayrargue [mailto:benja...@vapolia.fr]
> Sent: June-05-13 6:50 AM
> To: General discussion for Windows Installer XML toolset.
> Subject: [WiX-users] Can wix monitor child process ?
>
> Hi,
> i have an ExePackage in which the exe uncompresses some files, then run an
> installer and returns without waiting for this installer to finish.
>
> Is there an option to set in wix, where it would monitor the child
> processes created by the exe in the ExePackage and wait for them to finish
> before going to the next step ?
>
> Thks,
> Benjamin.
>
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