Ok, thanks.
So how can I detect the old version? All I want is to display a message box advising the user to uninstall the previous version. > From: phil.wil...@invensys.com > To: wix-users@lists.sourceforge.net > Date: Wed, 17 Mar 2010 17:34:44 -0400 > Subject: Re: [WiX-users] Detect older version not working? > > You can't use the Upgrade mechanism at all here - it's not that the previous > install was elevated, it's that the FindRelatedProducts action running in one > context won't detect a product installed in the other. A per machine won't > upgrade a per-user either. > > Phil Wilson > > > > -----Original Message----- > From: Kristoffer Danielsson [mailto:kristoffer.daniels...@live.se] > Sent: Wednesday, March 17, 2010 1:20 PM > To: wix-users@lists.sourceforge.net > Subject: [WiX-users] Detect older version not working? > > > Note that my previous MSI was a per-machine installation made with VS 2008. > The product version was 1.0.0. > > > > Now I'm creating a per-user installation with WIX 3.5. I want to detect this > older version. Correct me if I'm wrong, but the older version cannot be > removed since it was an elevated installation. Hence, I want to at least > notify the user about the older version. > > > > I can't get it working! I read this: > > http://wix.mindcapers.com/wiki/Upgrade > > > > * I changed the product version to 1.0.1.0. > > * I changed the product code. > > * The package code is set to '*'. > > * The upgrade code is the same. > > > > Below is the relevant part of my script. I don't understand how OLDAPPFOUND > is used. Please help! > > > > > > <Upgrade Id="$(var.ThisUpgradeCode)"> > > <UpgradeVersion Minimum="1.0.0.0" IncludeMinimum="yes" > Maximum="$(var.ThisProductVersion)" IncludeMaximum="no" OnlyDetect="yes" > Language="1033" Property="OLDAPPFOUND" /> > > <UpgradeVersion Minimum="$(var.ThisProductVersion)" IncludeMinimum="no" > OnlyDetect="yes" Language="1033" Property="NEWAPPFOUND" /> > > </Upgrade> > > <UI> > > <Error Id="2000">!(loc.LaunchCondition_LaterVersion)</Error> > > </UI> > > <CustomAction Id="NewerVersionDetected" Error="2000"/> > > <InstallExecuteSequence> > > <Custom Action="NewerVersionDetected" > After="FindRelatedProducts">NEWAPPFOUND</Custom> > > </InstallExecuteSequence> > > _________________________________________________________________ > Mejla i busskön! 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