# Arrowhead class

Namespace: [Rhino.Geometry](https://developer.rhino3d.com/api/rhinocommon/namespace/rhino.geometry.md) · Assembly: [RhinoCommon](https://developer.rhino3d.com/api/rhinocommon/assembly/rhinocommon.md)

```cs
public class Arrowhead
```

Arrowhead used by annotation

## Constructors

- [Arrowhead](https://developer.rhino3d.com/api/rhinocommon/type/rhino.geometry.arrowhead/ctor.md): (2 overloads) Constructor

## Properties

- [ArrowType](https://developer.rhino3d.com/api/rhinocommon/type/rhino.geometry.arrowhead/arrowtype.md): Type of arrowhead used by annotation
- [BlockId](https://developer.rhino3d.com/api/rhinocommon/type/rhino.geometry.arrowhead/blockid.md): Id of block used for user-defined arrowhead