That sounds like something that can explain the problem. Can you recall where it's documented, or where I can find some info / examples about it ?

According to the Win32::API docs, 'N' is not the only integer prototype, there's also 'N'

In reply to Re^2: Win32::API and 'short' arguments by spurperl
in thread Win32::API and 'short' arguments by spurperl

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