Assuming you mean uninstall still, a custom action that calls MsiProcessMessage with INSTALLMESSAGE_COMMONDATA as documented here will do that:
http://msdn.microsoft.com/en-us/library/aa370354(VS.85).aspx
Do it as early as you can in the InstallExecute sequence. When I've done this it's not a good UI experience because the Cancel button is initially briefly shown, then disappears when the CA runs, then appears again at the end. I didn't investigate whether this could be improved.
Phil Wilson
-----Original Message-----
From: zhihai guo [mailto:
[hidden email]]
Sent: Tuesday, July 14, 2009 6:26 PM
To: General discussion for Windows Installer XML toolset.
Subject: Re: [WiX-users] Can I control the UI when uninstall
Can I make my installation without cancel button?
2009/7/14 Bob Arnson <
[hidden email]>
> zhihai guo wrote:
> > In reality I just don't want the uninstall can be interrupted.
> >
>
> Installation can always be interrupted, even without a cancel button.
> Your setup should tolerate that with proper rollback.
>
> --
> sig://boB
>
http://joyofsetup.com/>
>
>
>
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