# LibTmux.Window.SelectLayoutAsync

- **Module:** LibTmux.Window
- **Package:** LibTmux
- **Language:** .NET
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-dotnet/blob/6656a563ec9e07ab52e0c3ac96f7704fc94cc0c0/src/LibTmux/Window.Layout.cs#L110
- **Page:** https://libtmux.org/reference/dotnet/libtmux-window-selectlayoutasync/

```
LibTmux.Window.SelectLayoutAsync(request: SelectLayoutRequest?, cancellationToken: CancellationToken) -> Task<Window>
```

Applies a layout to this window.

## Parameters

- `request` (SelectLayoutRequest?) — The layout to apply.
- `cancellationToken` (CancellationToken) — Cancels the tmux command.

## Returns

A replacement handle carrying the new layout.

## Raises

- `TmuxWindowException` — The layout is one tmux may not recognise.