# Sandbox.WebSurface.TextureChangedDelegate.BeginInvoke

```csharp
System.IAsyncResult BeginInvoke(System.ReadOnlySpan<byte> span, Vector2 size, System.AsyncCallback callback, object object)
```

### Parameters

- `span` (`System.ReadOnlySpan<byte>`)
- `size` (`Vector2`)
- `callback` (`System.AsyncCallback`)
- `object` (`object`)

### Returns

`System.IAsyncResult`

Declared in [Sandbox.WebSurface.TextureChangedDelegate](/api/Sandbox.WebSurface.TextureChangedDelegate).
Assembly: `Sandbox.Engine`.