# Invokable_IStreamCheckpointerGrain_GrainReference_DE3727A1.TryCancel

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleanscodegen.orleans.streams.invokable-istreamcheckpointergrain-grainreference-de3727a1/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleanscodegen.orleans.streams.invokable-istreamcheckpointergrain-grainreference-de3727a1/methods/)

```csharp
public override bool TryCancel()
```

Tries to cancel the invocation.

### Returns

`true` if cancellation was requested, otherwise `false`.