# window_pane_send_resize

- **Language:** C
- **Kind:** function
- **Source:** https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/window.c#L438
- **Page:** https://libtmux.org/en/tmux/latest/reference/c-function-window_pane_send_resize/

```c
void window_pane_send_resize(struct window_pane *wp, u_int sx, u_int sy)
```

## Parameters

- `wp` (`struct window_pane *`)
- `sx` (`u_int`)
- `sy` (`u_int`)

## Called by

- [`server_client_check_pane_resize`](/en/tmux/latest/reference/c-function-server-client-c-server_client_check_pane_resize/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/server-client.c#L1629)

## Calls

- [`fatal`](/en/tmux/latest/reference/c-function-fatal/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/window.c#L463)
- [`log_debug`](/en/tmux/latest/reference/c-function-log_debug/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/window.c#L446)

## Referenced declarations

- [`window_pane.fd`](/en/tmux/latest/reference/c-struct-window_pane-fd/) (attribute)
- [`window_pane.id`](/en/tmux/latest/reference/c-struct-window_pane-id/) (attribute)
- [`window_pane.window`](/en/tmux/latest/reference/c-struct-window_pane-window/) (attribute)
- [`window_pane`](/en/tmux/latest/reference/c-struct-window_pane/) (struct)
- [`window.xpixel`](/en/tmux/latest/reference/c-struct-window-xpixel/) (attribute)
- [`window.ypixel`](/en/tmux/latest/reference/c-struct-window-ypixel/) (attribute)