# IGH_Graph.GraphChangedEventHandler delegate

Namespace: [Grasshopper.Kernel.Graphs](https://developer.rhino3d.com/api/gh1/namespace/grasshopper.kernel.graphs.md) · Assembly: [Grasshopper](https://developer.rhino3d.com/api/gh1/assembly/grasshopper.md)

```cs
public delegate IGH_Graph.GraphChangedEventHandler
```

**Signature:**

```cs
void IGH_Graph.GraphChangedEventHandler(IGH_Graph sender, bool bIntermediate)
```

**Parameters:**

- `sender` ([IGH_Graph](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.graphs.igh-graph.md))
- `bIntermediate` ([bool](https://learn.microsoft.com/dotnet/api/system.boolean))