| append (tree_item) |
| child_position (child) |
| clear_items (start, end) |
| insert (tree_item, position) |
| prepend (tree_item) |
| remove_item (child) |
| remove_items (items) |
| select_child (tree_item) |
| select_item (item) |
| set_selection_mode (mode) |
| set_view_lines (flag) |
| set_view_mode (mode) |
| unselect_child (tree_item) |
| unselect_item (item) |