# Sandbox.Mesh.IndexBufferLockHandler.BeginInvoke

```csharp
System.IAsyncResult BeginInvoke(System.Span<int> data, System.AsyncCallback callback, object object)
```

### Parameters

- `data` (`System.Span<int>`)
- `callback` (`System.AsyncCallback`)
- `object` (`object`)

### Returns

`System.IAsyncResult`

Declared in [Sandbox.Mesh.IndexBufferLockHandler](/api/Sandbox.Mesh.IndexBufferLockHandler).
Assembly: `Sandbox.Engine`.
