Thanks that is useful to know, I am already setting ARPINSTALLLOCATION just not reading it back. I guess I could also use it for upgrades as you can get the previous product code from the upgrade table properties. As you say it is just a bit of boilerplate code to add to all installs. Just need to figure out if it would work with burn.
Neil -----Original Message----- From: Peter Shirtcliffe [mailto:pshirtcli...@sdl.com] Sent: 03 August 2012 2:18 PM To: General discussion for Windows Installer XML toolset. Subject: Re: [WiX-users] Installation folder during maintenance You need to read it back with a registrysearch. Windows saves it as the value InstallLocation under Software\Microsoft\Windows\CurrentVersion\Uninstall\[ProductCode] Because I follow the INSTALLDIR convention for identifying the main installation directory, I copy [ARPINSTALLLOCATION] into INSTALLDIR with SetProperty during maintenance. During initial installation, I use another SetProperty to set ARPINSTALLLOCATION equal to [INSTALLDIR] after CostFinalize. Windows then handles saving it in the registry. It sounds like a bit of fuss but it's just boilerplate code in each project. -----Original Message----- From: Neil Sleightholm [mailto:n...@x2systems.com] Sent: 03 August 2012 14:03 To: General discussion for Windows Installer XML toolset. Subject: Re: [WiX-users] Installation folder during maintenance Out of interest how would you read ARPINSTALLLOCATION back in WiX? Is it automatically set on repair? Neil -----Original Message----- From: Peter Shirtcliffe [mailto:pshirtcli...@sdl.com] Sent: 03 August 2012 9:46 AM To: General discussion for Windows Installer XML toolset. Subject: Re: [WiX-users] Installation folder during maintenance Do what Neil said, but this is a special case because there is already a property specifically for this called ARPINSTALLLOCATION. If you use this name, it's possible to get it back from MSI APIs using MsiGetProductInfo(). http://robmensching.com/blog/posts/2011/1/14/ARPINSTALLLOCATION-and-how-to-se t-it-with-the-WiX-toolset -----Original Message----- From: Neil Sleightholm [mailto:n...@x2systems.com] Sent: 02 August 2012 17:56 To: General discussion for Windows Installer XML toolset. Subject: Re: [WiX-users] Installation folder during maintenance You would need to author your install to remember it, see this post http://robmensching.com/blog/posts/2010/5/2/The-WiX-toolsets-Remember-Propert y-pattern Neil -----Original Message----- From: Uma Harano [mailto:uhar...@esri.com] Sent: 02 August 2012 16:53 To: General discussion for Windows Installer XML toolset. Subject: [WiX-users] Installation folder during maintenance Hi I need some confirmation on what I should do about setting the installation folder during maintenance mode. When the first time install sets the install location to non default location, does the msi remember this for subsequent maintenance operations? Or should I create a custom action during maintenance mode to read the install location from the registry and re-set it? I am finding different results with my testing. Sometimes this install location is remembered during maintenance and sometimes it goes back to default. Thanks! 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