Disclaimer! =========== The various files included in the subdirectory for provided as a courtesy to Microsoft Visual Studio users. The files were contributed by a thoughtful user and were not created by the authors of this project. Moreover, the (current) authors have no way of maintaining, improving or even using the files. ** This means we can't answer any questions about the files! ** That said, we have several reports of people successfully using the TCLAP library on various Windows platforms. As long as you use a reasonably modern compiler (and Visual C++ apparently is), you shouldn't have any trouble. Good luck!