In article <1243447694545-2982772.p...@n2.nabble.com>,
achandrapano <achan...@panologic.com> writes:
> I have a custom action that occurs right before InstallFinalize. Pressing
> cancel and selecting 'yes' doesn't seem to cause a rollback. Is this a
> timing issue since no rollbacks are allowed after InstallFinalize? The MSI
> log shows the cancel dlg was created but nothing else (I did a diff of 2 msi
> logs, one with cancel and one without)
It is up to the custom action to return ERROR_INSTALL_USEREXIT if you
want your custom action to cause a rollback.
Are you calling MsiProcessMessage in your custom action? You need to
check the return value of this function and look for indications that
the user clicked cancel (return value IDCANCEL) and then bubble out
the cancel from your custom action back to the install engine. If you
don't do this, the cancel action will be lost.
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