Chris wrote:Last I tried, GTK+ in Windows was slow as sarkus sark (worked, but was less than optimal). wxWidgets (not wxWindows

) is fairly new and not terribly supported in either Windows or Linux yet (though Linux users would be able to get their hands on it easier, Windows users would have to have the DLLs packaged and installed for them).
No way, wxWidgets is best choice. Works for me under Visual C++ "Pure", Visual C++ over Cygwin and MinGW-GCC over MSys. For the latter, I needed a cross-binutils because of the surprisingly big memory bleak of mingw-ld. Nothing special. Nothing more than a three-hand-step (configure && make).