Hi Peter,

Thanks for the link. I'll have a look.

MeCoco

On 11/29/2010 4:04 PM, Peter Shirtcliffe wrote:
> I see why you need a custom action. Your best approach is to have your
> custom action write temporary rows to the RemoveFile table and let
> Windows Installer do the deleting for you. That would prevent some
> potential problems.
>
> The pattern for these types of CAs is described in Bob's well-thumbed
> blog page at http://www.joyofsetup.com/2007/07/01/semi-custom-actions/
>
> -----Original Message-----
> From: MeCoco [mailto:vcotirl...@hotmail.com]
> Sent: 29 November 2010 14:25
> To: General discussion for Windows Installer XML toolset.
> Subject: Re: [WiX-users] QtExecDeferred and using a property in the cmd
> line
>
> Hi Peter.
>
> Thx for your answer, but I can't do that because I need the files to be
> removed _only_ when uninstall (not updates) and I have
> <RemoveExistingProducts After="InstallInitialize"/>. And as I described
> here:
> http://windows-installer-xml-wix-toolset.687559.n2.nabble.com/BUG-limita
> tion-in-WIX-MSI-No-way-to-distinguish-between-an-uninstall-and-an-update
> -when-lt-RemoveExi-td5776494.html
> when REP is after InstallInitialize, it can't be done with Component
> conditions.
>
> So I need a CustomAction which deletes the file and can be conditioned
> to happen only when real uninstalls. Because of that I got to the code
> below, which doesn't work.
> Can somebody pls help me?
>
> Thanks,
> MeCoco
>
> On 11/29/2010 2:54 PM, Peter Shirtcliffe wrote:
>> Use the<RemoveFile>   element instead.
>>
>>
>> -----Original Message-----
>> From: MeCoco [mailto:vcotirl...@hotmail.com]
>> Sent: 29 November 2010 13:45
>> To: General discussion for Windows Installer XML toolset.
>> Subject: [WiX-users] QtExecDeferred and using a property in the cmd
> line
>> Hi all,
>>
>> I need to delete a specific file (created by our product) after
>> uninstalling the product. For that I'm using the Quiet Execution
>> CustomAction like:
>>
>> <Property Id="QtExecDeferred" Value='"[SystemFolder]\Cmd.exe"  /C del
> /Q
>> "[INSTALLLOCATION]\momo.txt"'/>
>> <CustomAction Id="QtExecDeferred" BinaryKey="WixCA"
>> DllEntry="CAQuietExec" Execute="deferred" Return="ignore"
>> Impersonate="no"/>
>>
>> <InstallExecuteSequence>
>> <Custom Action="QtExecDeferred" After="RemoveExistingProducts"/>
>> </InstallExecuteSequence>
>>
>>
>> When I'm building this I get the following 2 warnings:
>>
>> warning CNDL1077: The 'QtExecDeferred' Property contains
>> '[SystemFolder]' in its value which is an illegal reference to another
>> property.  If this value is a string literal, not a property
> reference,
>> please ignore this warning.  To set a property with the value of
> another
>> property, use a CustomAction with Property and Value attributes.
>> warning CNDL1077: The 'QtExecDeferred' Property contains
>> '[APPLICATIONFOLDER]' in its value which is an illegal reference to
>> another property.  If this value is a string literal, not a property
>> reference, please ignore this warning.  To set a property with the
> value
>> of another property, use a CustomAction with Property and Value
>> attributes.
>>
>> By looking into the log file, I see that the execution failed, with
>> "file not found":
>> MSI (s) (4C:28) [14:26:46:842]: Executing op:
>>
> CustomActionSchedule(Action=QtExecDeferred,ActionType=3137,Source=Binary
>> Data,Target=CAQuietExec,CustomActionData="[SystemFolder]\Cmd.exe"
>> /C del /Q "[INSTALLLOCATION]\momo.txt")
>> MSI (s) (4C:80) [14:26:46:853]: Invoking remote custom action. DLL:
>> C:\Windows\Installer\MSI8DF2.tmp, Entrypoint: CAQuietExec
>> MSI (s) (4C:80) [14:26:46:853]: Generating random cookie.
>> MSI (s) (4C:80) [14:26:46:871]: Created Custom Action Server with PID
>> 7996 (0x1F3C).
>> MSI (s) (4C:4C) [14:26:46:973]: Running as a service.
>> MSI (s) (4C:4C) [14:26:46:976]: Hello, I'm your 32bit Elevated custom
>> action server.
>> CAQuietExec:  Error 0x80070002: Command failed to execute.
>> CAQuietExec:  Error 0x80070002: CAQuietExec Failed
>>
>>
>> I assume the problem is that I'm using [SystemFolder] and
>> [INSTALLLOCATION] in a deferred CustomAction.
>>
>> By searching the internet I found somebody saying:
>> ">   You can't access properties directly from a defered custom action.
>> You
>>    >   have to use another custom action that sets a property matching
> the
>> name of
>>    >   your action."
>>
>> The problem is that I don't know how to do that? Can someone pls,
> taking
>> in account the above lines of code, tell me how and what do I need to
>> change to follow this instruction?
>>
>> Thank you,
>> MeCoco
>>
>>
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