PureBasic Forums - English

Your statement is right.
Windows, OS X and Linux are so different from eachother that you will always need to compile a different version for each OS.
Since PureBasic doesn't do cross compiling (compiling for a different OS you are working on) you will need a Mac to compile for that platform ...

Thank you all for your help.
I now realize it was the fact I was compiling on a PC and manualy changing the .exe to .app to run on the Mac that was my fatal flaw and was generating the "the Classic Environment is no longer supported" error.

I guess it is not possible to create a Mac .app from a ...

... I don't know if Mac actually supports hidden files but if you are, for example, trying to stop Users of a game from cheating, it would be better to encrypt the file as many people have hidden files on their system unhidden by default anyway.

Mac supports hidden files. Putting a period "." in ...

I have been trying to write a program in which a hidden file is created for storing numbers used by the program the next time it is run. I currently am testing on a Mac OSX (PowerPC) and Windows XP Pro (x86). This is what I have tried with no success:

If #PB_Compiler_OS = #PB_OS_Windows
OpenFile ...