Gonzalo Diethelm wrote:
The problem with your suggestion is that there will not be a "first
run" ever. Since this is an Excel add-in (a DLL), it is loaded by
Excel only if the proper keys are placed in the registry for the
current user. Therefore, there isn't a chance to check whether those
keys exist and add them if not...
At least in past versions of Excel (e.g., 2003), you can create
per-machine add-ins by registering them under
HKLM\SOFTWARE\Microsoft\Office\Excel\Addins\.
The question is, specially for Vista, where do I put these changing
files (particularly the DB)? I want non-privileged users to be able to
use the add-in; for this, they must be able to read the DB files and,
more importantly, update them. Where should the SINGLE copy of these
files reside?
That goes against the idea of per-user isolation. You can do it by
creating a directory and applying permissions to it but it's warning
sign: Any user running a low-privilege trojan could update the file too.
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