# Sandbox.UI.CanvasPanel.NavigationBounds

```csharp
System.Nullable<Rect> NavigationBounds { get; set; }
```

Optional limits in canvas coordinates. Enabled axes stay inside this rectangle when panning, zooming or resizing.

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