According to the MSDN MSI help: A rollback custom action must always precede the deferred custom action it rolls back in the action sequence. A rollback custom action should also handle the case where the deferred custom action is interrupted in the middle of execution.
You can do this in WiX by using the following sort of syntax:
<InstallExecuteSequence>
<Custom Action="" After="InstallFiles">NOT Installed AND NOT REMOVE</Custom>
<Custom Action="" After="appInstallRollback">NOT Installed AND NOT REMOVE</Custom>
</InstallExecuteSequence>
<CustomAction Id="appInstall" FileKey="myapp" ExeCommand="/dosomething" Return="check" Execute="deferred"/>
<CustomAction Id="appInstallRollback" FileKey="myapp" ExeCommand="/undosomething" Return="check" Execute="rollback"/>
On 6/28/06, Kalappa Pattar <[EMAIL PROTECTED]> wrote:
Hi All,
In my installer, I call utility.exe through _vbscript_.
This utility modifies the config file while installing and roll back the changes to config file while un-installing.
Now while installing say the event writing to the config file is over and user will cancel the setup after that event.
The changes done to the config file won't be rolled back.
So how and where to handle rolling back the action of some external exe if the user clicks cancel button after the external exe (which is called through _vbscript_) has performed it's action?
Best Regards,
Kalappa Pattar
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