# popup_data.border_lines

- **Language:** C
- **Kind:** attribute
- **Source:** https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/popup.c#L38
- **Page:** https://libtmux.org/en/tmux/latest/reference/c-struct-popup_data-border_lines/

```c
enum box_lines border_lines;
```

## Referenced by

- [`popup_display`](/en/tmux/latest/reference/c-function-popup_display/) (function)
- [`popup_draw_cb`](/en/tmux/latest/reference/c-function-popup-c-popup_draw_cb/) (function)
- [`popup_handle_drag`](/en/tmux/latest/reference/c-function-popup-c-popup_handle_drag/) (function)
- [`popup_key_cb`](/en/tmux/latest/reference/c-function-popup-c-popup_key_cb/) (function)
- [`popup_mode_cb`](/en/tmux/latest/reference/c-function-popup-c-popup_mode_cb/) (function)
- [`popup_modify`](/en/tmux/latest/reference/c-function-popup_modify/) (function)
- [`popup_resize_cb`](/en/tmux/latest/reference/c-function-popup-c-popup_resize_cb/) (function)
- [`popup_set_client_cb`](/en/tmux/latest/reference/c-function-popup-c-popup_set_client_cb/) (function)

## Referenced declarations

- [`box_lines`](/en/tmux/latest/reference/c-enum-box_lines/) (enum)