I often use depends.exe if a CustomAction is failing to log anything (all
the WiX custom actions log specific errors on failure).
On Thu, Mar 24, 2011 at 8:30 AM, Liam Flanagan wrote:
> Hello,
>
>
>
> I have a custom action function written in C that is called from a Wix MSI.
> This custom action runs successfully on Windows 7 (32-bit & 64-bit), Vista
> (32-bit & 64-bit) and Windows XP 64-bit however appears to simply not run
> on
> Windows XP 32-bit.
>
>
>
> The underlying issue here was that code within the dll for this custom
> action (not specifically code called or accessed from the entry point into
> the dll within the wix) referenced a call to the WinAPI RegDeleteKeyEx
> function which is unsupported in XP 32-bit.
>
>
>
> Now my question here is simply is there some way I could have been informed
> about why this dll wasn't loading let alone running from the install?
>
>
>
> For your information:
>
> . As this was a custom action that failed to load the installer
> continued happily without kicking up any fuss to the user
>
> . I ran the msi with /l*vx and I couldn't find anything within the
> log file that suggested the dll hadn't even been loaded, in fact you even
> get a message in the log file stating that the InstallIME (the wix) action
> ending with a return value of 1. See below an extract from the log for a
> install where the custom action failed to load:
>
>
>
> MSI (s) (2C:2C) [15:25:11:617]: Doing action: InstallIME
>
> Action 15:25:11: InstallIME.
>
> Action start 15:25:11: InstallIME.
>
> InstallIME:
>
> Action ended 15:25:11: InstallIME. Return value 1.
>
>
>
> . Just to remind you the problematic code that used RegDeleteKeyEx
> wasn't even called / referenced by InstallIME32 therefore it clearly just
> didn't want to load the dll at all
>
>
>
> In the end I managed to solve the issue through trial and error but I'm
> convinced there must be a more pragmatic (and hopefully quicker) approach,
> even if it is simply getting a warning that the custom action dll has not
> loaded.
>
>
>
> Thanks,
>
>
>
> Liam
>
>
> --
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