[wix-users] How to detect which version (if any) of WiX Toolset is installed on the computer?

Walter Dexter wfdexter at gmail.com
Mon Feb 8 10:43:37 PST 2016


So far as I know, the thing under Uninstall is the product code. Do all
versions of WiX have the same product code, or am I mistaken?

On Mon, Feb 8, 2016 at 2:28 AM, Tobias S <tobias.s1979 at gmail.com> wrote:

> I'd check if environment variable %wix% is present. If yes, check e.g. for
> fileversion of %wix%bin\candle.exe.
>
> Other approach is traversing the ARP information in
>
>
> HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall
> (or without wow6432Node on x86 OS)
>
> for the GUID {65E893AD-EDD5-4E7D-80CA-F0F50F383532}. The so found key
> should be the WIX ARP Entry. If present check for BundleVersion.
>
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