# window.JoinOptions.size

- **Module:** window.JoinOptions
- **Package:** libtmux
- **Language:** Rust
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-rs/blob/8a648c0894dfffc9303583f753b6c8ae01f2fe76/crates/libtmux/src/window.rs#L1447
- **Page:** https://libtmux.org/reference/rs/window-joinoptions-size/

```
window.JoinOptions.size(mut, size: PaneSize) -> Self
```