Hey. I've come across an error when trying to build the non-XP/Vista driver on Windows 7.
Compiling:win32button.cpp c:/Program Files/BlitzMax/mod/maxgui.mod/win32maxgui.mod/win32gui/win32button.cpp: In constructor 'Win32Button::Win32Button(BBGroup*, int)': c:/Program Files/BlitzMax/mod/maxgui.mod/win32maxgui.mod/win32gui/win32button.cpp:21: error: cannot convert 'const wchar_t*' to 'const CHAR*' for argument '2' to 'HWND__* CreateWindowExA(DWORD, const CHAR*, const CHAR*, DWORD, int, int, int, int, HWND__*, HMENU__*, HINSTANCE__*, void*)'