[wix-users] Patch installation

[Robert Goodridge]

Hi Stephanie,

There are two types of files: executables and text files. If the file is classified as an executable (and its my understanding that only EXE and DLL are executables), then its Version based (though there is more to it than just that. See the link below.

Text files aren't versioned, they are hashed. So if the file has not changed it has the same hash and won't be updated. Look at this: http://msdn.microsoft.com/en-us/library/aa368267(v=vs.85).aspx

Warm regards

Rob Goodridge | CloudArchitect | LANSA Product Centre

-----Original Message-----
From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf Of Charles Gallo [9Dots Management]
Sent: Thursday, 4 August 2016 10:37 PM
To: WiX Toolset Users Mailing List <wix-users at lists.wixtoolset.org>
Subject: Re: [wix-users] Patch installation

Question - on NON executable object (in particular, XLAM files - which really ARE executable) how do they do versioning?  Interestingly, if you look, the version is always XX.XX.XX - I tend to put the version in the tag

-----Original Message-----
From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf Of Robert Goodridge
Sent: Thursday, August 04, 2016 12:37 AM
To: WiX Toolset Users Mailing List <wix-users at lists.wixtoolset.org>
Subject: Re: [wix-users] Patch installation

Hi Stephanie,

Executable objects are installed based on the Version number in the executable being greater than the currently installed version of the executable. That's it. No workarounds, Its not date based or difference based. Just version. This is a Windows Installer behaviour, not WiX.
<snip>

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