[wix-users] How WixTools manage the upgrades?

[Davide Perini]

I don't understand the purpose of Wix Toolset in this case.
Isn't Wix Toolset "a way to install software" in Windows?

In Windows I can uninstall the software I installed with wix, how can I 
tell wix
to create an exe that does an inplace upgrade by removing the old 
installation and installing a new version?

Isn't this something that wix can do?

Thanks,
Davide

Il 17/08/2020 19.36, Markus Kramer via wix-users ha scritto:
> Edwin,
> In an Major Upgrade, how do you specify the condition for a Custom Action
> that shall only execute in an upgrade?
>
> I tried
> *     Installed AND NOT REMOVE*
> but in a Major Upgrade, the Custom Action was skipped (Condition not met).
>
> Also, how do you schedule  RemoveExistingProducts early?
>
> Best Regards,
> Markus
>
> On Mon, Aug 17, 2020 at 4:58 PM Edwin Castro via wix-users <
> wix-users at lists.wixtoolset.org> wrote:
>
>> Do you mean WiX Toolset when you say WixTools? If yes, then you are
>> probably really asking how does the Windows Installer support upgrades? The
>> WiX Toolset is a collection of tools for authoring Windows Installer
>> packages.
>>
>> https://docs.microsoft.com/en-us/windows/win32/msi/patching-and-upgrades
>>
>> You'll see the answer is "it depends on how you author your MSI package". I
>> understand that answer isn't very satisfying but it is a correct answer.
>>
>> I author my MSI packages to "uninstall the old version and install the new
>> version" by using a Major Upgrade and schedule RemoveExistingProducts
>> early.
>>
>> --
>> Edwin G. Castro
>>
>> On Sun, Aug 16, 2020, 16:10 Davide Perini via wix-users <
>> wix-users at lists.wixtoolset.org> wrote:
>>
>>> As title.
>>> How WixTools manage the upgrades?
>>>
>>> Suppose that I have a version 1.0 installed,
>>> what happen if I install version 1.1 on it?
>>>
>>> DOes it uninstall the old version and reinstall the new one?
>>>
>>> Thanks
>>> Davide
>>>
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