Use putTraceMsg instead of hPutStrLn for Windows GUI-only program.
Use putTraceMsg instead of hPutStrLn for Windows GUI-only program.

darcs-hash:20080526070627-c1071-4fa54d9f2fa5c8029c0db050643b691a5b894b80.gz

ekmett/wxHaskell,sherwoodwang/wxHaskell,Proclivis/wxHaskell,sherwoodwang/wxHaskell,thielema/wxhaskell,ekmett/wxHaskell,thielema/wxhaskell,Proclivis/wxHaskell,ekmett/wxHaskell,thielema/wxhaskell,Proclivis/wxHaskell,Proclivis/wxHaskell,sherwoodwang/wxHaskell,sherwoodwang/wxHaskell,thielema/wxhaskell