# control.Event.LayoutChanged

- **Module:** control.Event
- **Package:** libtmux
- **Language:** Rust
- **Kind:** constant
- **Source:** https://github.com/libtmux/libtmux-rs/blob/8a648c0894dfffc9303583f753b6c8ae01f2fe76/crates/libtmux/src/control.rs#L197
- **Page:** https://libtmux.org/reference/rs/control-event-layoutchanged/

A window's panes were rearranged, added to, or removed from.

tmux has no notification for a pane appearing, so this is the one that
reports it: every split changes the layout, including a detached split
that leaves the active pane alone and reports nothing else.