hi all,

I'm trying to do a system verification step as part of my install, but
I've encountered a small problem with the standard custom action dll
solution. I've created a CustomActions.dll to contain a isValidSystem
call. unfortunately, the algorithm to validate the system is inside
yet another dll (tools.dll) that I must load.

My initial knee-jerk idea was to include tools.dll as part of the
installation and just fetch INSTALLDIR inside CustomActions.dll, but
of course that wont work since I can't actually install the
application to determine if I should install the application :)

I tried including tools.dll as a binary key, but of course msi places
it in the windows temp directory under some other name, and I can't
access that, unless there is some way to find out the path given the
binary key ID?

thanks
Oren

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