|
Rick,
This is all completely off-the-cuff, so it may not be
appropriate.
Presumably, your current installer puts appropriate entries
in the registry so you can do removal etc. You could use a RegistrySearch to
locate one of these keys and determine that the previous version is installed.
Based on that finding, you then execute appropriate "upgrade" tasks, some of
which may need to be handled by custom actions.
Personally, I think I would probably "uninstall" the
previous version (preserving the settings as necessary), then install the new
one. That way the upgraded installation would be fully managed by Microsoft
Installer, making it easier to do additional updates in the
future.
Just my $.02. Hope it gives you an idea or
two.
Regards,
Richard From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Rick Glos Sent: Thursday, July 27, 2006 15:09 To: wix-users@lists.sourceforge.net Subject: [WiX-users] Question: Migrating Existing Installer to WindowsInstaller Hello, I’ve spent the last two days getting
familiar with WiX, the windows installer, and going through the great tutorial
on WiX (http://www.tramontana.co.hu/wix/).
I especially liked the article posted a year ago (http://msdn.microsoft.com/smartclient/default.aspx?pull=/library/en-us/dnwingen/html/wixsetup.asp)
that talks about doing the installer during the development cycle and not at the
end of it. We are badly in need of doing
this. I have a question however. How
do we migrate from our current installer to the Windows Installer for existing
customers? We just released version 5.0 of our
product. Spending 6 weeks updating our installer (we have a custom C#
installer). I can see our new customers instead using a new .msi for
later versions (5.5, 6.0, etc). What do I do about our existing customers
when they wish to upgrade? They’ve never installed originally with a
Windows Installer. How do I get them on the same
track? Thanks for any
advice, Rick
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