# window_pane_at_index

- **Language:** C
- **Kind:** function
- **Source:** https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/window.c#L866
- **Page:** https://libtmux.org/en/tmux/3.7c/reference/c-function-window_pane_at_index/

```c
struct window_pane * window_pane_at_index(struct window *w, u_int idx)
```

## Parameters

- `w` (`struct window *`)
- `idx` (`u_int`)

## Called by

- [`cmd_display_panes_key`](/en/tmux/3.7c/reference/c-function-cmd-display-panes-c-cmd_display_panes_key/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/cmd-display-panes.c#L275)
- [`cmd_find_get_pane_with_window`](/en/tmux/3.7c/reference/c-function-cmd-find-c-cmd_find_get_pane_with_window/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/cmd-find.c#L629)

## Calls

- [`options_get_number`](/en/tmux/3.7c/reference/c-function-options_get_number/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/window.c#L871)

## Referenced declarations

- [`window_pane.entry`](/en/tmux/3.7c/reference/c-struct-window_pane-entry/) (attribute)
- [`window.options`](/en/tmux/3.7c/reference/c-struct-window-options/) (attribute)
- [`window.panes`](/en/tmux/3.7c/reference/c-struct-window-panes/) (attribute)
- [`window`](/en/tmux/3.7c/reference/c-struct-window/) (struct)
- [`window_pane`](/en/tmux/3.7c/reference/c-struct-window_pane/) (struct)