# Sandbox.UI.Transitions.TransitionFunction.BeginInvoke

```csharp
System.IAsyncResult BeginInvoke(Styles style, float delta, System.AsyncCallback callback, object object)
```

### Parameters

- `style` (`Styles`)
- `delta` (`float`)
- `callback` (`System.AsyncCallback`)
- `object` (`object`)

### Returns

`System.IAsyncResult`

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