A rollback CA is a deferred CA that is scheduled (usually right) before the
deferred CA it undoes the action of and is only called if there is a failure
in any action "after" the rollback CA is "scheduled". If you are attempting
to use "quiet CAs" for this, you will do:
<CustomAction Id="RB_QtExecDeferredExampleWithProperty_Cmd"
Property="RB_QtExecDeferredExampleWithProperty"
Value=""[#MyExecutable.exe]" /RB"
Execute="immediate"/>
<CustomAction Id="RB_QtExecDeferredExampleWithProperty" BinaryKey="WixCA"
DllEntry="CAQuietExec"
Execute="rollback" Return="check" Impersonate="no"/>
<CustomAction Id="QtExecDeferredExampleWithProperty_Cmd"
Property="QtExecDeferredExampleWithProperty"
Value=""[#MyExecutable.exe]"" Execute="immediate"/>
<CustomAction Id="QtExecDeferredExampleWithProperty" BinaryKey="WixCA"
DllEntry="CAQuietExec"
Execute="deferred" Return="check" Impersonate="no"/>
With appropriate scheduling (assuming that "/RB" is the appropriate argument
for MyExecutable.exe to make it rollback what it does without arguments).
Make sure that the rollback is scheduled before the action it undoes
(QtExecDeferredExampleWithProperty), and that it is scheduled after
InstallFiles/PatchFiles/DuplicateFiles.
-----Original Message-----
From: Andres Juarez [mailto:andresj_...@hotmail.com]
Sent: Thursday, May 13, 2010 3:21 PM
To: wix-users@lists.sourceforge.net
Subject: [WiX-users] How to rollback a quiet CA
Hi there,
If I have a defered quiet CA:
<CustomAction Id="QtExecDeferredExampleWithProperty_Cmd"
Property="QtExecDeferredExampleWithProperty"
Value=""[#MyExecutable.exe]"" Execute="immediate"/>
<CustomAction Id="QtExecDeferredExampleWithProperty" BinaryKey="WixCA"
DllEntry="CAQuietExec"
Execute="deferred" Return="check" Impersonate="no"/>
If I want to have the rollback CA for the above, is there any way of doing
that? Because the property setting CA cannot be deferred but inmediate, so
changing to the below won't work:
<CustomAction Id="RB_QtExecDeferredExampleWithProperty_Cmd"
Property="RB_QtExecDeferredExampleWithProperty"
Value=""[#MyExecutable.exe]"" Execute="rollback"/>
<CustomAction Id="RB_QtExecDeferredExampleWithProperty" BinaryKey="WixCA"
DllEntry="CAQuietExec"
Execute="rollback" Return="check" Impersonate="no"/>
thanks
Andres
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