Quite right, the spinner is required during a part of the InstallUI sequence.  
In considering the spinner problem, I was actually wondering if I couldn't do 
something super hacky like creating 16 or so bitmaps, and then in my 
CustomAction flipping them hidden and not in succession to create a flip-book 
effect.  It's not clear to me if a CA can modify the visual of Windows 
Installer UI in such a way that they take effect while still inside the CA.  
Does anyone know if that's doable?

For the second one (key-code validation) is there any way to get an event as 
the value of an Edit/Property changes?  I'm guessing you already considered 
that, but I figured I'd ask.  

One other quick one: Is there any way to change the text size of an edit 
control? 

Has anyone tried to building tooling to compile WiX into a MSI with a WPF front 
end or something like that?  It seems like nothing good comes out of trying to 
build installer UI in Windows Installer.  It would be nice if there was a 
standardized, richer UI alternative.  

-----Original Message-----
From: Rob Mensching [mailto:r...@robmensching.com] 
Sent: Thursday, October 22, 2009 8:28 AM
To: General discussion for Windows Installer XML toolset.
Subject: Re: [WiX-users] Questions on more advanced WiX Installer UI

True, but the progress bar is only available during InstallExecute sequence.
My understanding was that this "spinner" needed to happen during the UI 
sequence. If I misunderstood then Tony's suggestion is a good one.

On Thu, Oct 22, 2009 at 5:36 AM, Tony <yellowjacketl...@gmail.com> wrote:

> You might be able to use a progress bar type behavior.  That is 
> supported within Windows Installer.  We have a custom action that can 
> take a long time to finish.  We added progress bar "ticks" to the 
> custom action that provide feed back to the UI.  Might be worth 
> checking out.  Though you need to specify a "range" and then provide 
> ticks to indicate progress.  Not sure how that would work in an open 
> ended type transaction.  In our case we have hundreds of files to 
> process, so we use the number of files as the "range" and send a tick 
> message after we process each file.
>
> --
> Tony
>
>
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