[wix-users] Can anyone give me a nice simple example of returning values from a Custom Action?

[Paul Mumford]

Thanks for your advice guys! On another project at the moment but will get
to try shortly!

Best,

Paul.

On 13 September 2017 at 11:49, Joseph L. Casale via wix-users <
wix-users at lists.wixtoolset.org> wrote:

> -----Original Message-----
> From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf
> Of Paul Mumford via wix-users
> Sent: Wednesday, September 13, 2017 3:16 AM
> To: wix-users at lists.wixtoolset.org
> Cc: Paul Mumford <paul.mumford at gmail.com>
> Subject: Re: [wix-users] Can anyone give me a nice simple example of
> returning values from a Custom Action?
>
> > With regards to costing:
> > a) I only vaguely know what that means, i think its the sequence of the
> UI
> > bit that determines the presents size of the install right? I dont know
> if
> > its related but we decided to use the '"WixUI_Minimal" instead of the
> > Mondo
> > one (we just dont need the extra bits for this application). The custom
> UI
> > runs straight after the user ticks the accept license and presses install
> > which is fine and what we want.
> >
> > I think you are onto something with the scheduling though, what would you
> > recommend for our requirements there? The various types are listed but I
> > dont really know what any of them mean. 'InstallValidate' makes sense in
> my
> > head but i suppose the point im after is directly after user presses
> > install button and before the actual MSI actions if that makes sense.
>
> There are two sequences of events that matter for this case,
> InstallUISequence
> and InstallExecuteSequence. In a normal interactive installation, both are
> run
> however in an unattended installation only the InstallExecuteSequence
> events
> are run.
>
> In both cases, the CostInitialize event is where component state starts to
> get addressed. The FileCost and CostFinalize sequences ultimately produce
> the cost of the installation so if you are changing a component state after
> that, it won't have an effect.
>
> Reschedule it before CostInitialize.
>
> See https://msdn.microsoft.com/en-us/library/aa372404(VS.85).aspx and
> https://msdn.microsoft.com/en-us/library/aa368050(v=vs.85).aspx for some
> info.
>
> > PS.
> > Could someone tell me the etiquette of replying to the mailing list, im
> > new. Should I reply to the group in general or just individuals or both?
> > Cheers P.
>
> Just reply as you are, to the list.
>
> Good luck,
> jlc
>
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