bool GetColumn( int col, wxListItem& item ) const;
bool SetColumn( int col, wxListItem& item );
int GetColumnWidth( int col ) const;
bool SetColumnWidth( int col, int width);
int GetCountPerPage() const; // not the same in wxGLC as in Windows, I think
bool GetColumn( int col, wxListItem& item ) const;
bool SetColumn( int col, wxListItem& item );
int GetColumnWidth( int col ) const;
bool SetColumnWidth( int col, int width);
int GetCountPerPage() const; // not the same in wxGLC as in Windows, I think