virtual wxBitmap GetBitmap() const = 0;
virtual void SetBitmap( const wxBitmap& bitmap ) = 0;
virtual void SetBitmapPosition( wxDirection dir ) = 0;
virtual wxBitmap GetBitmap() const = 0;
virtual void SetBitmap( const wxBitmap& bitmap ) = 0;
virtual void SetBitmapPosition( wxDirection dir ) = 0;