virtual bool GetStyle(long position, wxTextAttrEx& style) const;
virtual bool GetStyle(long position, wxRichTextAttr& style) const;
virtual bool SetDefaultStyle(const wxTextAttrEx& style);
virtual bool GetStyle(long position, wxTextAttrEx& style) const;
virtual bool GetStyle(long position, wxRichTextAttr& style) const;
virtual bool SetDefaultStyle(const wxTextAttrEx& style);