I am trying to detect if Oracle is installed on a system. With all the different Oracle installation types out there, only surefire way seems to try & load OCI.dll and hope that Oracle is installed correctly if it loads without error.
One solution is to write a CustomAction dll and call LoadLibrary() from kernel32.dll to see if OCI.dll is present but it seems too much for me where simple file search can do the trick.
Thanks & Regards,
Suraj
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