# ArcBufferWriter.UnconsumedLength

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.buffers.arcbufferwriter/) | [Properties](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.buffers.arcbufferwriter/properties/)

[Source](https://github.com/dotnet/orleans/blob/fbe240c34e9a1389ca5ab2d52f292ed8749ea530/src/Orleans.Serialization/Buffers/ArcBufferWriter.cs#L64)

```csharp
public int UnconsumedLength
```

Gets the number of unconsumed bytes.