# ConnectionToClusterLostHandler

Package: [Microsoft.Orleans.Core](/orleans/docs/api/csharp/microsoft.orleans.core/) 10.0.0

[NuGet package](https://www.nuget.org/packages/Microsoft.Orleans.Core)

```csharp
public delegate void ConnectionToClusterLostHandler(object sender, EventArgs e);
```

Handler for client disconnection from a cluster.

## Constructors

- [ConnectionToClusterLostHandler(object, nint)](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.connectiontoclusterlosthandler/constructors/constructor-object-nint-ef0ff1bb/)

## Methods

- [BeginInvoke(object, EventArgs, AsyncCallback, object)](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.connectiontoclusterlosthandler/methods/begininvoke-object-system-eventargs-system-asynccallback-object-ae375ffe/)
- [EndInvoke(IAsyncResult)](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.connectiontoclusterlosthandler/methods/endinvoke-system-iasyncresult-defdc719/)