# Invokable_IStreamCheckpointerGrain_GrainReference_7AB50A87.TryCancel

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleanscodegen.orleans.streams.invokable-istreamcheckpointergrain-grainreference-7ab50a87/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleanscodegen.orleans.streams.invokable-istreamcheckpointergrain-grainreference-7ab50a87/methods/)

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

Tries to cancel the invocation.

### Returns

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