# FileDgnReadOptions class

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

```cs
public class FileDgnReadOptions
```

Options for reading a Dgn file

## Properties

- [GroupCellHeaders](https://developer.rhino3d.com/api/rhinocommon/type/rhino.fileio.filedgnreadoptions/groupcellheaders.md)
- [ImportUnreferencedBlocks](https://developer.rhino3d.com/api/rhinocommon/type/rhino.fileio.filedgnreadoptions/importunreferencedblocks.md)
- [ImportUnreferencedLayers](https://developer.rhino3d.com/api/rhinocommon/type/rhino.fileio.filedgnreadoptions/importunreferencedlayers.md)
- [ImportUnreferencedLineStyles](https://developer.rhino3d.com/api/rhinocommon/type/rhino.fileio.filedgnreadoptions/importunreferencedlinestyles.md)
- [ImportViews](https://developer.rhino3d.com/api/rhinocommon/type/rhino.fileio.filedgnreadoptions/importviews.md)

## Methods

- [ToDictionary](https://developer.rhino3d.com/api/rhinocommon/type/rhino.fileio.filedgnreadoptions/todictionary.md): Create a dictionary of these options. This dictionary can be passed to the RhinoDoc.Export function