# FileObjWriteOptions.NGons enum

Namespace: [Rhino.FileIO](https://developer.rhino3d.com/api/rhinocommon/namespace/rhino.fileio.md) · Assembly: [RhinoCommon](https://developer.rhino3d.com/api/rhinocommon/assembly/rhinocommon.md) · Since v7.0

```cs
public enum FileObjWriteOptions.NGons
```

## Values

| Name | Value | Description |
| --- | --- | --- |
| None | 0 | Ngons will not be created, nor will they be exported if they already exist |
| Preserve | 1 | If ngons already exist, they will be used as is, no ngons will be created |
| Create | 2 | Ngons will be created, if possible, by calling Mesh.Ngons.AddPlanarNgons |