virtual void SetColour(const wxColour& col) ;
virtual void SetColour(const wxString& col) ;
virtual void SetColour(const unsigned char r, const unsigned char g, const unsigned char b) ;
virtual void SetColour(const wxColour& col) ;
virtual void SetColour(const wxString& col) ;
virtual void SetColour(const unsigned char r, const unsigned char g, const unsigned char b) ;