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need UNICODE strings passed to Dll

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Posted 10 June 2002 - 18:46

We have just converted our codebase to unicode. Our installer has a couple of functions it calls in external Dlls that require strings to be passed as argument (BYREF). I thought installshield was Unicode already, but it would appear not... when the string gets to the Dll it contains garbage (everything works great with non unicode)

Any ideas ? (also any other installshield Unicode help/suggestions is very welcome)

Philip Nathan


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Posted 18 March 2003 - 19:56

When declaring prototype of the DLL functiuon in setup.rul, use wstring instead of string as the argument type. This is the only place that you need to explicitly specify wstring.