extern void wxDoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour);
extern void wxDoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, bool changeArmColour = FALSE);
extern void wxDoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour);
extern void wxDoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, bool changeArmColour = FALSE);