[wix-users] Detecting 32-bit System

[Parkes, Kevin]

$(var.Platform) is the platform you are building for, not the platform being installed on to.

Actually, if you build your MSI for 64-bit, you don't need to do anything - Windows Installer won't install a 64-bit MSI on a 32-bit system, it will display the message "This installation package is not supported by this processor type"

Regards,
Kev

-----Original Message-----
From: wix-users <wix-users-bounces at lists.wixtoolset.org> On Behalf Of Benny Bürger via wix-users
Sent: 15 July 2020 09:12
To: WiX Toolset Users Mailing List <wix-users at lists.wixtoolset.org>
Cc: Benny Bürger <buerger at simba.de>
Subject: Re: [wix-users] Detecting 32-bit System

[EXTERNAL]

The best way to detect the platform is:

  <?if $(var.Platform) = x64 ?>
    <?define Win64 = "yes" ?>
  <?else ?>
    <?define Win64 = "no" ?>
  <?endif ?>

And then use Win64 in your condition

Best regards,
Benny

-----Ursprüngliche Nachricht-----
Von: wix-users <wix-users-bounces at lists.wixtoolset.org> Im Auftrag von Todd Hoatson via wix-users
Gesendet: Dienstag, 14. Juli 2020 22:09
An: WiX Toolset Users Mailing List <wix-users at lists.wixtoolset.org>
Cc: Todd Hoatson <todd.hoatson at gmail.com>
Betreff: [wix-users] Detecting 32-bit System

Our product has been a 32-bit app for many years, but now we have switched to 64-bit.  One requirement for our installer is that we do something reasonable if someone tries to install our new product on a 32-bit system.

In the WiX code for building our bundle, we currently have:

  xmlns:bal="http://schemas.microsoft.com/wix/BalExtension"
  ...
<Bundle
  ...
  <bal:Condition Message="XP is no longer supported."> (VersionNT >=
v6.0) </bal:Condition>

Is it enough to change the last line to:

    <bal:Condition Message="32-bit Windows is no longer supported.">
(VersionNT64 >= v6.0) </bal:Condition>

Is this a reliable approach?  Or is there a better way to ensure the installer will not proceed on a 32-bit system?

thanks,
Todd Hoatson
Mobile: 763-291-3312
Email:   todd.hoatson at gmail.com
www.linkedin.com/in/toddhoatson

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