bool Ok() const { return m_refData != NULL; }
bool operator == ( const wxPen& pen ) const;
bool operator != (const wxPen& pen) const { return !(*this == pen); }
void SetColour( const wxColour &colour );
bool Ok() const { return m_refData != NULL; }
bool operator == ( const wxPen& pen ) const;
bool operator != (const wxPen& pen) const { return !(*this == pen); }
void SetColour( const wxColour &colour );