virtual int GetCharWidth() const;
virtual void GetTextExtent(const wxString& string,
int *x, int *y,
virtual int GetCharWidth() const;
virtual void GetTextExtent(const wxString& string,
int *x, int *y,
const wxFont *theFont = (const wxFont *) NULL)
const;
virtual void ScrollWindow( int dx, int dy,
const wxFont *theFont = (const wxFont *) NULL)
const;
virtual void ScrollWindow( int dx, int dy,