# EdgeAdjacency 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 v5.0

```cs
public enum EdgeAdjacency
```

Enumerates all possible Topological Edge adjacency types.

## Values

| Name | Value | Description |
| --- | --- | --- |
| None | 0 | Edge is not used by any faces and is therefore superfluous. |
| Naked | 1 | Edge is used by a single face. |
| Interior | 2 | Edge is used by two adjacent faces. |
| NonManifold | 3 | Edge is used by three or more adjacent faces. |