# Sandbox.UI.StyleBlock.TestBroadphase

```csharp
bool TestBroadphase(IStyleTarget target)
```

Tests a few broadphase conditions to build a list of feasible
styleblocks tailored for a panel.

### Parameters

- `target` (`IStyleTarget`)

### Returns

`bool`

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