# Sandbox.UI.RootPanel.RenderStatistics.PanelsCulled

```csharp
int PanelsCulled { get; set; }
```

Invisible or unlaid-out subtree roots skipped while preparing the rendered command list.
Descendants of a skipped subtree are not traversed or counted. GPU clipping is not included.

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