# FileIgsWriteOptions.SurfacesMode 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 v8.0

```cs
public enum FileIgsWriteOptions.SurfacesMode
```

## Values

| Name | Value | Description |
| --- | --- | --- |
| Srf128 | 128 |  |
| Srf143 | 143 |  |
| Srf144 | 144 |  |