# GH_Structure<T>.ConversionDelegate<Tfrom, Tto> delegate

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

```cs
public delegate GH_Structure<T>.ConversionDelegate<Tfrom, Tto>
```

Represents a conversion between two types of IGH_Goo.

**Type parameters:**

- `Tfrom` (where IGH_Goo): Type to convert from.
- `Tto` (where IGH_Goo): Type to convert to.

**Signature:**

```cs
Tto GH_Structure<T>.ConversionDelegate<Tfrom, Tto>(Tfrom data)
```

**Parameters:**

- `data` (`Tfrom`): Data to convert.