# Sandbox.UI.CanvasPanel.ConstrainVerticalNavigation

```csharp
bool ConstrainVerticalNavigation { get; set; }
```

Apply the vertical limits of NavigationBounds. Disable to pan and zoom freely above and below them.

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