tokens: These two controls have very much in common ( their thumb can be moved by " line " or " page " increments , both controls can be laid out horizontally or vertically , both use WM_HSCROLL and WM_VSCROLL to notify their parent when the thumb position changes ) .
ner_tags: O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-Function O B-Function O O O O O O O O O O O