# Sandbox.UI.BaseTreeView.ToggleRow

```csharp
void ToggleRow(int row, bool recursive = False)
```

Open or close a row. Shift-click on the expander does it recursively.

### Parameters

- `row` (`int`)
- `recursive` (`bool`), default `False`

Declared in [Sandbox.UI.BaseTreeView](/api/Sandbox.UI.BaseTreeView).
Assembly: `Sandbox.Engine`.