# ConicSectionType enum

Namespace: [Rhino.Geometry](https://developer.rhino3d.com/api/rhinocommon/namespace/rhino.geometry.md) · Assembly: [RhinoCommon](https://developer.rhino3d.com/api/rhinocommon/assembly/rhinocommon.md) · Since v6.0

```cs
public enum ConicSectionType
```

Defines enumerated values for types of conic sections.

## Values

| Name | Value | Description |
| --- | --- | --- |
| Unknown | 0 | The curve shape is unknown. |
| Circle | 1 | The curve has the shape of a circle. |
| Ellipse | 2 | The curve has the shape of an ellipse. |
| Hyperbola | 3 | The curve has the shape of a hyperbola. |
| Parabola | 4 | The curve has the shape of a parabola. |